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 USS Clamp (ARS-33)

USS Chowanoc (ATF-100)

14 August

Alongside target ships USS Wilson (DD408) (2-1/2 hours). USS Trlppe (DD-403) (2 hours). and YSS Mayrant (DD-402) (1 hour. 50 minutes) to retrieve torpedoes: all torpedoes were placed on LCT-1116.

15 August

Alongside target ship USS New York (BB34) for 20 mlnutes to transfer torpedoes to LCT-1116.

16-19 August

Routine activities.

20 August

Alongside target ship YSS Pennsylvania (88-38) for 4 hours, 20 minutes, assisting in swinging i t to remove twists in anchor chains.

the ship was involved In towing. diving, demolition, andunderwaterphotographyfunctionsin of the task force. preparation for the arrival During the operation its function was as a submarine rescue ship. Shot ABLE (1 July, 0900) 30 June 1300

Underwayforareaoutsideoflagoon. steaming with TU 1.2.7.

1 July

21 August

1443 1450 1510 1515

Prepared Eennsylvania for tow and departed for Kwajalein.

1632

22-23 August En route to Kwajalein with Pennsylvania in tow.

1646 24 August 25 August

26 August 27 August 28 August

At Kwajalein: cast off tow and set return course for Bikini.

1648-1742 1750 1905

At Bikini, prepared target ship USS Cart e r s (APA-70) fortow:departedfor 2 July Kwajaleln. 0820-0850 En route to Kwajalein with Carteret in 0901 tw. 0905

At Kwajalein; cast offt w : underway for Bikini. At Bikini. Prepared target ship USS Brule

(APA-66) for tow: departed for Kwajalein with B U in tow.

0917 0925 0947 1011

30 August

Arrived at Kwajalein, cast proceeded to anchorage.

31 August

Assisted target ship USS Geneva (APA-86) for 25 minutes.

1020 1050 1115-1150

9 September

Assisted target submarine USS Skiplack (SS-184) in drydocking.

1242-1320

off tow, and

1012

10 September Radsafe monitors boarded Chowanoc for4 0 minutes to test the ship's hull for radioactivity (results unknown).

1415 1417 1509 1525 1541

16 September Departed Kwajalein for Pearl Harbor with ARD-29 in tow. That evening heaved over five radioactive fenders. 3

October

1545 1605

Arrived at Pearl Harbor. USS

1647 1827

CLAMP (ARS-33)

Crew Slze: 88 Blklnl Atoll Arrlval: 15 March 1946 Elklnl Atoll Departure: 28 August 1946 Shot ABLE Locatlon: 27 nml ( 5 0 km) E Shot BAKER Locatlon: 12 nml (22 km) NNE

5 July 1321-1441 1850

Decontamlnatlon Locatlon: Los Angeles Flnal Clearance: By 22 November 1946 6 July

Task Unlt and Functlon C l a m p was a salvage ship used as a support ship in TU 1.2.7 (Salvage Unit). Before the operation

7 July 0619

305

Ordered to put boarding team No. 2 aboard target ship USS Catron (APA-71) after receiving radiological clearance. Underway from alongside Catron. Moored next to Catron. Boardingteamreturned:underwayfrom of taralongside. laid to southwest side get ship USS Saratoqa(CV-3). Underway. proceeded to target ship US> New York (88-34). Moored next to New York after receiving radiological clearance. Boarding team boarded New York. Underway from New York to anchorage. Anchored in berth Item. BoardingteamboardedCatronforan inswction. A Larding team boarded target ship Briscoe (APA-65) for an inspection. A firefiqhtinq team was placed aboard Br iscoe. The fire aboard Briscoe was extinguished. The firefighting party departed Briscoe. The boarding party departed Briscoe. A boarding team boarded target ship Carteret (APA-70). A fire party boarded Carteret after a report O E a fire. The fire aboard Carteret was out. The parties returned to Clamp. A boarding team boarded target ship USS Banner (APA-60) to inspect ship. A boarding team was placed on target ship USS Ralph Talbot (DD-390) for an inspection. A boarding team boarded target ship 5-

-

"

qato.

A fire party boarded Naqato. The fire aboard Naqato was out. All parties returned toC l a m p. A boarding team boarded target ship [Jss Nevada (BB-36 . A fire party boarded Nevada. The fire on Nevada was out and fire party returned t o C l a m p . The boarding party returned to Clamp. Moored near USS Deliver (ARS-23) after disembarking initial boarding teamto Uharton (AP-7). Towed target ship USS Huqhes (DD-410) to its new berth. MooredalongsideNaqato.remainingat that location overnight. Alongside Naqato. conducting operations to hoist its anchor. Underway from alongside Naqato.

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 USS Clamp (ARS-33)

USS Clamp (ARS-33)

7 July

0944 8-10 July

30 July 0911-1011

Anchored in berth 49.

Moored to buoy in target array. Installing assemblies on mooring buoysin target area for purpose of mooring target ships. 1352-1505

11 July 1114-1633 1855 12 July 1035-1110 1430-2014 13 July 0925-2031 2103 14 July 0637-0853 1135-1425 1520 15-16 July 16 July 1845

1523-1543

Retrieved target vessel ARDC-13's anchor and took i t in tow to its new berth. Anchored in berth 74.

1728 31 July 1116-1235

Conducteddivingoperations to clear fouled line from propeller shaft. Worked in target area installing assemblies on mooring buoys.

1241 1422-1800 1843

Towed A R E - 1 3 to target array. Anchored in berth 51. Conducted diving operations to ATA-180 anchor. Conducted diving operations to ARDC-13 anchor. Anchored in berth 14. Preparedmooringbuoys array.

in

1 August 0911-0932 retr.ieve

1010

retr ieve

1020-1031 1053-1106

the target

1123-1145 1359

25 July 1201-1225 1304-1306 1355 1413 1451-1459 1500 1609 1641 21 July 0835 1019-1144

1209 1212-1317 1330-1343 1420 1623 28 July

Washed down target ship USS Pensacola (CA-24) Investigatedsmokeon target ship Wainwriqht (DD-419). Alongside target ship Prinz Euqen while a radiological monitor boarded. Alongside Carteret while a radiological monitor boarded thetarget ship. Washed down Pensacola. Moored next to USS Chickasaw (ATF-85).

.

Picked up boarding team fromWharton and proceeded to Catron. 0826-1056 Washed down Catron. 1100-1 108 A boarding team conducted an inspection on Catron. 1120-1149 Applied foam to target vessel LCT-1013. 1405-1435 Sprayed LCT-1113. 1440-1441 A boarding team boarded LCT-1113. 1512-1551 Washed down LCT-1013. 1625-1630 Boarding team boarded LCT-1013. Anchored near berth 380. 1815

Underway for operating area after picking up a radsafe team. Boardingteamboardedtarget ship Bladen (APA-63). Boarding team boarded targetship LCI(L)549. Anchored in berth Baker. Bikini Atoll. Underway for target vessel LCT-1013. Boarding team boarded LCT-1013. Underway from LCT-1013. Observed the sinkingof Saratwa. Returned to anchorage in berth Baker.

3 August 0835-0851

Boarding team from Wharton boarded target ship USS Butte (APA-68). 0925-0934 A boarding team boarded Talbot. 0950-1058 Washed down Talbot. 1104-1 126A boarding team boardedB u t t e. Moored next to Chickasaw. 1446

7 August

Underway for USS Kenneth Whitinq (AV-14) to pick up members of the Instrumentation Group. Alongside target ship USS Niasara (APA-

0845 0914 1203

87).

1200-1201

Washed down target ship USS Salt Lake City (CA-25). Anchored off Bikini Island. Alongside USS Tombiqbee (A%-11) and then USS Svlvanla (AKA-44). Anchored in berth Baker.

2 August 0740

Anchored in berth 14.

Shot BAKER (25 J u l y, 0835)

24 July 1246

Moored portside to instrument tank with the technicaldirectorsaboardto retrieve the tank, after which the directors returned to Whitinq. Covered target ship USS Convnuham (DD371) with chemical foam. Alongside target ship USS Muqford (DD389) to cover it with foam. Anchored in berth Baker.

Alongside target ship USS Geneva (APA-86) to pick up instruments. Alongside Bladen. Instrumentation Group boarded Bladen. Boarded target ship USS FilhOKe (APA-83) for an inspection. Instrumentation Group members returned to Whitinq. Moored near USS Chickasaw (ATF-83). Shifted to anchorage 1,450 yards (1.3 south Of berth 380.

1449-1531 9 August 0828

0838 0914 1034-1155

)on)

1350-1442 1501

306

Began washing down Nevada. A seven-man party boarded Nevada to assist decontamination operations. Decontamination operations on Nevada ceased. Renewed decontamination operations aboard Nevada. Began decontamination operations on target ship USS D a m o n (APA-79). A party of s i x boarded Dawson to assist decontamination operations. Completed decontamination operations aboard Dawson. Washed down target ship USS Brule (APA68). Washed down.&B Anchored in berth 33.

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 USS Clamp (ARS-33)

13 August 1459-1653

14 August 0933 0931 15 August 1015-1042 19 August 0807-0900 0923 1050-1140 1154 21 August 0740-0832 0847-0914 22 August 0752-0857 1146

USS Conserver (ARS-39)

Conducted towing operations on Huqhes. Moored Huqhes to buoy 18 near Ionchebi Island and remained moored next to it.

Task Unlt and Functlon Underway from alongside Huqhes to anchorage. Anchored near Ionchebi Island.

26 August 1211 27 August 1630 1926 28 August 1402 1834

Coasters Harbor was a survey ship used as a support ship in TU 1.8.1 (Repair and Service Unit). Its function was to aid in the repair of damaged target vessels. Shot A B L E (1 July, 0900)

Conducteddivingoperationstorepair damage on Huqhes.

--

30 June 1427UnderwayforareaPackard.

Laying to near Geneva. Laying to in vicinity of target ship Independence (CVL-22). Conducted pumping operations on cola. Anchored in berth 219.

1 July 1650ReenteredBikiniLagoon. 1840 Anchored in berth 286, Bikini Atoll.

2-23 July Shifted to berth 108. Engaged activities.

Moored to Pensacola. Anchored near Eneu Island. preparing to take target ship USS Fallon (APA-81) in tow.

Towed Fallon to mooring buoy. Conducted diving operations on Fallon. Anchored in berth 218.

24 July 1420

Underway for area Packard.

25 July 1618

Anchored at Rongelap Atoll.

30 July 0134 1557

Departed for Bikini Atoll. Anchored in berth 9. Biklni.

1 August 0725

Underway to sea to pump contaminated fuel oil (contamination believed to be from foreign matter and not from radiation]. Pumped contaminated oil overboard. Anchored in berth 269.

0905-1235 1435 Left Bikini for Kwajaleinwith ship USS LST-52 in tow. Entered Kwajaleln Atoll harbor go LST-52. Underway for Bikini Atoll.

in routine

Shot B A K E R (25 July, 0835)

Moored next to Salt Lake City. Moored next to Pensacola.

23-24 August Anchored near Fallon. which was beached off Eneu Island. 25 August 1358-1100 1117-1840 2101

Shot B A K E R Locatlon: 1 7 nml (32 km) E Oecontamlnatlon Locatlon: Los Angeles Operatlonal Clearance: 7 December 1946 F l n a l Clearance: 13 December 194b

target 3 August

Shifted to berth Nan.

7 August

Shifted to berth 269.

and let 14 August 1350-1500

Anchored at Bikini Atoll. Left for Kwajalein Atoll withtarget ship USS LST-545 in tow.

JTF-1 radsafe section warded. Inspected. and declared ship freeofallradioactivity.

15 August

Departed for Kwajalein Atoll with crews of target ships USS Bracken (APA-64). Barrow (APA-61). USS Butte (APA-68). E Carteret(APA-70). USS Nevada(BB-36). USS Pensacola (CA-24), and USS Wainwriqht (DD-419) aboard.

30 August 1225

Anchored LST-545 at Kwajalein Atoll.

31 August 1530-1600

Target ship LCI(L)-549 alongside.

16 August

Arrived Kwajalein.

5 September

Departed Kwajaleln for Pearl Harbor.

17 August

Departed Kwajalein for Pearl Harbor.

28 August

Arrived Pearl Harbor.

16 September Arrived Pearl Harbor.

CLYMER, GEORGE; see USS GEORGE CLYMER (APA-27)

USS CONSERVER (ARS-39)

Crew Slze:

USS COASTERS HARBOR (AG-?4) Crew Slze: 195 B l k l n l Atoll Arrlval: Prlor to 1 June 1946 B l k l n l Atoll Departure: 15 A u g u s t 1946 Shot A B L E Locatlon: 23 nml (43 km) N

86

Blklnl Atoll Arrlval: 29 March 1946 B l k l n l Atoll Departure: 5 September 1946 Shot ABLE Locatlon: Approxlrnately 27 nml (50 km) E Shot B A K E R Locatlon: >12 nml ( 2 2 km) SE Decontamlnatlon Locatlon: Pearl Harbor

307

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 USS Conserver (ARS-39)

USS Conserver (ARS-39)

Operatlonal Clearance: 4 May 1947 Flnal Clearance: 1 1 May 1947

16 July 0950-1132

Task Untt and Functlon

1455-1645

Conserver was a salvage ship used as a support ship in TU1.2.1 (Salvage Unit). Its functions were salvaging, firefighting, and emergency repa1 rs.

20 July 1345-1715

Shot A B L E ( 1 J u l y, 0900) 30 June 1255 1 July 1338

21 July 1012-1454 Underway for area outside of the lagoon. steaming with TU 1.2.1. 22 July 1128-1335 Anchored in berth Baker, Bikini Atoll. 1355-1530

2 July 1015-1115 1115-1143 1300-1310 1322 1451 1454 1601 1640 1740

Placed a boarding team on target ship USS Rhind (DD-404). Boarding team on target ship USS Stack (DD-406). A boarding team and fire party boarded target ship USS Dawson (APA-79) to extlnaulsh a fire. Boaiding and fire teams left Damon. Inspected target ship P r i m Euqen. Proceeded to target ship USS Arkansas (88-33). Extinguished fires aboard Arkansas. Boarding teams returnedto Conserver. Reanchored in berth Baker.

23 July 1515-2121 Shot

1350 1812

Removed stack of target ship USS Salt Lake City (CA-25). Dropped stack of Salt Lake City in water. Anchored in berth 50.

25 July 0455 0530 1125 1402

Cleared damagedequipmentfromtarget ship USS Nevada (8B-36).

1638 21 July 1004-1020 1211-1224 1238

1 July

Continued salvage operations on Nevada.

9-10 July

Continued salvage operations on Nevada.

1 1 July

Removed heavy gear from Arkansas.

1239-1250 1410 I511

12 July 0144-1115

13 July 0944-1144 14 July 0743-0825 0902-0945 1030 15 July 0725-1340 1559-1744

Removed a half-track and an armored car from Nevada and transferred themto LCT1420.

28 July 1310 1340 1 341-1352

Removed 1 5 5 - m guns from Arkansas. 429-1436 Transferred 155-nun gun and carriage from Arkansas to LCT-1420. Conducted salvage operationson Arkansas. Anchored in Bikini Lagoon. Removed a half-track and an armored car from target ship USS Pennsylvania (88-38) and transferred them to LCT-1420. Engaged in other salvage operations on Pennsylvaniaandtransferredequipment to LCT-1420.

308

Removed 90-mn and 155-mm guns from Nevada and transferred themto LCT-1420. Removed a tank turret from Arkansas and placed i t aboard LCT-1420. Removed a tank from Nevada and transferred it to LCT-1420. Worked with USS Etlah (AN-79) in putting anchors on target submarine USS Skiplack.

Unde may. Picked up target ship USS Gasconade (APA8 5 ) personnel. Anchored off Eneu Island. Underway to place a boardinqteamon Butte.

6 July

1330-1112

Removed a 12-1/2-tonarmorplate from Salt Lake City and transferred i t to LCT1420.

BAKER ( 2 5 J u l y, 0 8 3 5 )

1440 4 July 0805-1055

Conducted operations to recover sunken LCVP. Anchored off target ship USS Butte (APA68).

508-1528 1552 1602 1618-1636 1652 1134

Butte found to be still radioactive and Conserver proceeded to southeast of array. Anchored off Eneu Island. A boarding team boarded target ship !@ Bracken (APA-64) to recover instrument. Boarding team declared sour. Recovered instruments from target ship USS Carteret (APA-70). Recovered instruments fromtarget ship USS Cortland (APA-75). A boarding team boarded Cortland. A l l recoveredinstrumentsweretransferred to USS Kenneth Whiting (AV-14). Anchored in unidentified berth. A Naval Medical Research Services (NMRS) team came aboard. A monitor boarded Bracken. The NHRS team boarded Bracken and returned to Conserver with all animals. instruments. and monitor. The animals and instruments were removed from target shipUSS Catron (APA-71). All instruments wpre retrieved from target ship USS Fillmore (APA-83). Teamsboardedtarget shlp USS Bladen (APA-63) to remove instruments. Recovered instruments aboard Bladen. Retrieved instruments from target shlp USS Geneva (APA-86). NMRS parties returned to E S Burleson (APA-67) with all instrumentsand animals for further studies. Anchored in unidentified berth.

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 USS Conserver (ARS-39)

29 July 1344-1357 1422 1455-1504 1602 1640 30 July 1320-1405 1426 1724 31 July 0822-0902 0930-1015 1146-1213 1414-1452 1515-1524 1604-1641 1703 1 August 0810-1348

1430

NMRS team boarded Catron and removed in-

USS Conyngham (DD-371)

2 September 0801-1937 Prepared target vessel LCT-874 for ing.

struments and animals. NMRS team at Gasconade to remove instru3 September ments and animals; too contaminated to board. NMRS team boarded target ship USS BriSCOe 4 September (APA-65) to remove instruments and ani0734-0832 mals. All animals, instruments. and NMRS personnel returned to Burleson. 0907 Anchored In unidentified berth. Animals and instruments were retrieved from Gasconade. NMRS personnel and all animals transferred toBurleson. Anchored off Eneu Island. Washed down Briscoe with saltwater. Washed down Bracken. Sprayed mechanical and chemical foams on BCiscoe Sprayed mechanical and chemical foams on Briscoe. Monitors boarded Salt Lake City. Sprayed foam on Bracken. Anchored in unidentified berth.

5 September

1755

7 August 1751-1836 1854 8 August 0810-0826 1330-2025

.

m.

LeftBikiniAtoll€orKwajalein Atoll towing target vessel YOG-83 and support vessels LCT-1420 and LCT-1184.

USS

CONYNGHAM (DD-371)

Crew Slze: 109

Anchored in unidentified berth.

on Salt Lake Continued salvage operations City. Anchored in unidentified berth.

Unlt and Functlon The destroyer Conynqham was a target vessel during CROSSROADS. Its crew was evacuated before each in Destroyer Divison 3 ofTU shot. It served 1.2.3.

Shot ABLE (1 July 0900) Retrieved Army equipment from target ship 30JuneCrewevacuatedtoBottineau. USS LST-545. Anchored. 1 July 1610Convnqhamdeclaredradiologicallyclear. Transferred Army equipment from LST-545 to LCT-1116. 2 July Moored to YF buoys to conduct diving A re1245Thecaptain,amonitor,andTeam operations to recover Bureauof Ordnance turned to inspect for radioactivity and instruments. explosive gases.

12-16 August Continued diving operations to recover Bureau of Ordnance instruments. 14 August USS Pilotfish_ Located target submarine (58-386). 16-24 August Continued diving operations on Arkansas.

26 August

Alongside target vessel LCT-816. conductit from beach ing operations to remove and sink it. Assisted YSS Widgeon (ASR-1) with Skip-

Blkinl Atoll Arrlval: 30 Hay 1946 Elklnl Atoll Departure: 22 August 1946 Crew Locatlon for Shot ABLE: USS Bottlneau (APA-235) Crew Locatlon for Shot BAKER: Eottlneau Shot ABLE Locatton: 3,145 yards (2.9 km) ESE Conducted salvage operations on Salt Lake Shot BAKER Locatlon: 3.597 yards (3.3 km)WNW Oecontamlnatlon Locatlon: San Franclsco City. Salt Lake City was declared very Sunk July 1948,. o f f southern Callfornla contaminated.

Continued diving operations to recover Bureau of Ordnance instruments.

25 August 0900

Conducted salvage operations on target submarine USS Skipjack (SS-184).

7 September ArrivedatKwajaleinAtoll;remained 1201 until February 1947. Conducted salvage work on various target ships.

Task

2 August 0815-1617

t o w

Cast off lines to Arkansas buoy; moored t o diving buoy. Shifted mooring over sunken target ship USS Saratoqa (CV-3).

21 August-1 September

Conducted diving operations on Saratoqa.

for Navy data indicate that Conynqham was found safe reboarding and that remaining crewmembers returned on 7 July. 2 July. Except for shifting anchorages on Conynqham remained anchored in Bikini Lagoon. Shot BAKER (25 July, 0835) 23-24 July 1110

Crew evacuatedtoBottineau.

30 July 1040-1140 Washed down with seawater and foamite by USS Deliver (ARS-23).

31 July 1420Washdownwithfoamitecompleted. 1502Radsafe team andmonitorswereplaced aboard.

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 USS Conyngham (DD-371) 31 July

1907

1 August

USS Cortland ( A P A - 7 5 )

Radiological conditions were such that workpartiescouldbeputaboardfor limited periods of time to carry out local, intensive decontamination work. The decontamination party came on board Conynqhamfortheallowed4hoursto scrub the top decks.

17AugustConynqhamdeclaredradiologicallysafe for reboarding (Reference4 ).

€or Kwajalein Atoll.

22 August Left Bikini

23AugustArrivedatKwajalein.

28 AugustDepartedforPearlHarbor. 5

2 August

Conynqham scrubbed and hosed down. The hullandthewaterlinewereslightly higher than average.

3 August

scrubbing and hosing of Conynqham was or flaked continued.chippingrusted paint areas was begun, and its hull was scrubbed with lye water and diesel oil (Reference 4).

September 0921ArrivedatPearlHarbor.

11 October 1253Leftfor

San Francisco.

17 October Arrived at San Francisco. USS CORTLANO ( A P A - 7 5 )

2000

Boarded by the BuShips inspection partfes Crew S l z e : 89 and declared Geiger sweet (below 0.1 rem B l k l nA l t o lA l r r l v a l 3: 0 g m a / 2 4 hours.

4 August

Marine growth from Conynqham's port waterline was scrubbed.

6 August

Took readings of ship (Reference 4).

7 August

Crew returned to Bottineau each night except for engineering watch (Reference 4).

Hay 1946 B l k l nAl t o lDl e p a r t u r e : 19 August 1946 Crew L o c a t l o nf oSr h o t ABLE: USS Artemls(AKA-21) Crew L o c a t l o nf oSr h o t BAKER: A r t e m l s Shot ABLE L o c a t l o n 3:, 1 4 0y a r d s( 2 . 9 km) WSW Shot BAKER L o c a t l o n : 3,870 yards ( 3 . 5 km) WSW O e c o n t a m l n a t l oLno c a t t o n : San F r a n c l s c o 6 November 1946 O p e r a t i o n aCl l e a r a n c e : F l n aCl l e a r a n c e1:6 December 1946 Oecomnlssloned30 December 1 9 4 6 .N o r f o l k ,V l r g l n l a Scrapped31March1948

7 Radiological readings for Conynqham (31 July through August) are listed in Table A.3.

Task U n l t and F u n c t l o n

transport. was a target vessel Cortland, an attack during CROSSROADS.Its crew was evacuated for each shot. It served in Transportation Division 92 of TU 1.2.6 (Merchant Type Unit).

T a b l eA. 3R. a d l o l o g l c arle a d l n g s( R / 2 4h o u r s ) , USS Conynqham ( 0 0 - 3 7 1 ) ( 3 1 J u l y through 7 A u g u s t ).

Shot ABLE ( 1J u l y 0, 9 0 0 ) Oa t e

Maximum Average Topslde Topslde Below

3 1J u l y 1 August 2 August 4 August 6 August 7 August

0.5 0. 3!ja

0.3 0.25a

0.4 0.3 0.12 0.07

0.15 00. 0. 084 0.045

0.045

Maxtmum

Average Be 1 ow

0.15 --_b 0.5 0.3 0.13 0.12

1 July 1402Firewasreportedaboardship(Reference 5. p. B-11). 1619CortlandreportedGeiger sweet.

0.05

"_

2 July 1440Theinitialboardinqteamreturnedto Cortland. 1831 Remainder of the crew returned and normal routine on board was resumed.

0.05

0.02

0.02

Notes: a A f t e rd e c o n t a m l n a t l o ne f f o r t s.

A 16 July damage report stated that there was no major damage and no need for an examination by the technical staff of the Director of Ship Haterial.

bNo r e a d i n g.

Shot BAKER ( 2 5 J u l y ,0 8 3 5 )

Source: Reference

8 August

4.

24 July 0950

Theradsafeinspectionpartydeclared Conynqham safe for reboarding: all personnel moved on board and painting of the ship began (Reference 4).

All personnel evacuated to Artemis.

25 July 1142Cortlandclearedforboarding. 1309ReportedGeigersweet. 2312 Declared radiologically free (Reference 5. pp. D-19 and D-12).

12 August Clearance was revoked and all personnel were evacuated to USS Rockbridge (APA228) on a 12-hour basis (Reference 4).

29 Julv 1305

16 August Interior and exterior painting of Conyngwas completed (Reference4 ).

30 July Cortland crew returned: normal routine resumed.

310

Team A and B reboarded Cortland (Reference 5. p. V1-D-37).

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 USS Cortland

(APA-75)

USS

A 30 July Commanding Officers Damage Report No. 11 in stated that the ship was slightly over tolerance radioactivity near the waterline (Reference 3). Shifted August 2

Coucal ( A S R - 8 )

15 July 1050-1945 Diving operations on target ship Lamson (DD-367). Ran a cable from port and bow to target ship VSS Nevada's ( 6 6 -

buoy. mooring 36) 349. to berth

e-

4-5 August Went on a scheduled practice run. 16-17 July Continued diving Operations around son. -

18-19 August Received aboard 19 offlcers and 305 enlistedmenfromtargetship USS Nevada20JulyRanamanilalinetotargetship ( 6 6 - 36 ) . (APA-81). Fallon 0830-1130Conducteddlvingoperationsontarget 19 1623 Departed €or Kwajalein Atoll. 1400-1800 Conducted diving operations Sakawa. on

U s

August 20 Arrived Kwajalein. at manila line a July from Ran port quarter 21 to August 30Departed Kwajalein

stern of target ship VSS Arkansas (BE33). Conducted diving operatlons.

for Pearl Harbor.

22 JulyMadeatwo-pointmooring100feet (31 meters) off portside of target submarine USS Apoqon (38-308). 0950 Began venting Apoqon's ballast tanks. AfterApoqonwassubmerged.conducted dlving operations.

USS COUCAL (ASR-8)

Crew S i z e : 117 Blklnl Atoll Arrlval: Before 1 July 1946 Blklnl Atoll Departure: 4 September 1946 Shot ABLE Locatlon: 21 nml (39 km) E Shot BAKER Locatlon: 1 2 nml ( 2 2 km) SE Decontamlnatlon Locatlon: San Dlego Operatlonal Clearance: 10 January 1947 Flnal Clearance: 18 January 1947

23JulyEngaged

in divingoperations cinity of A m o n.

24 July 0600-0645Floodedtargetsubmarine (55-386).

Task Unlt and Functlon Coucal. a submarine rescue vessel, was a support ship in TU 1.2.7 (Salvage Unit). Its functions were salvaging, firefighting, and emergency repairs.

in the vi-

USS Pilotfish

Shot BAKER ( 2 5 J u l y, 0835)

25 July 0400 In formation with USS Conserver (ARS-39). USS Widqeon (ASR-l), and USS Etlah (AN79). Took position in formation of TU 1.2.7. 0750 Underway. 0800 1400 Anchored in berth F, Bikini Lagoon. 1610 Observed target ship USS Saratcqa (CV-3) sink stern first.

Shot ABLE ( 1 J u l y, 0900) 30 June 1625UnderwayfromBikiniLagoon. TU 1.2.7. 5,000 yards 2100 Proceeding to join (4.6 km) astern _USS Reclaimer (ARS-42). 1 July

26 July

1255EnteredBikiniLagoon. 1735-1855 Placed scientiflc parties on target ships USS Conynqham (DD-371) and VSS Pennsyl(68-38). in berthLove. 1958Anchored 4 July 1430-1829 Radiological survey group from (AH-12) came aboard. 1525-1743 Conducted diving operations. 1902Anchoredinunidentifiedberth.

27 July 0815 1130 1135 1230

USS Haven

1340 28 July 0650

5-6. 8-10 July Diving operations conducted around target ship USS Gilliam (APA-57). 12 July 1115Ranlinefromstern of targetship &B (APA-66). 1400-1920 Engaged in diving operations.

14 July 0800-1345 1355

1140 1617

E

29 July 0840

'

to B 3. 13JulyRantwolines 0745-1830 Diving operations continued

1115

on Gilliam.

0945 1030 Diving operations continued on Gilliam. Took in tow and stern lines from .&B

311

1130 1324

Shifted to unidentified berth. Underway to target submarine USS Tuna (SS-203). ran airhoses to Comenced blowing Tuna's ballast tanks. Tuna broke surface. Underway; tested all sea injections with Geiger counter, conditions found normal. Shifted t o unidentified berth.

Tuna.

Underway to go alongside target submarine USS Dentuda (85-335). Commenced blowing ballast tanks on Dentuda after engaging in diving operations. =red diving operat ions. Anchored in unidentified berth. Underway to come alongside target submarine USS Searaven's (SS-196) mooring buoy, Commenced hooking airhoses to Searaven. Commenced blowing Searaven's ballast tanks. Underway. Anchored in unidentified berth.

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 USS Coucal ( A S R - 8 ) 29 J u l y 1650 30 July 1056-1155

1306-1325 1331-1353 1530-1550 1559 1646 31 July 1306 1335 1355 1406

1418 1746 1 August 1240

1615 1830 2 August

USS Creon ( A R L - 1 1 )

6 September

Widqeonmooredalongsidetotakeon Ereshwater.

0740

Made a two-point mooring over submerged 7 September target submarine grSS Skipjack (SS-184) 0830-1030 Radsafe inspection party, consisting of andbeganblowingSkiplack'sballast threeofficersfrom Ha=. aboardto tanks. Conducted diving operations on Skipjack. lnspectforradioactivity.Resultsnot Blew ballast tanks on Skipjack. recorded in log. Made a two-point mooring over submerged submarinePilotfishandbeganblowlng 1 1 September its ballast tanks. 1640 Departed Kwajalein for Pearl Harbor with Skipjack in tow. Broke two-point mooring. Anchored in unidentified berth. 22 September 1500 Moored at Pearl Harbor after releasing Moored portside to Searaven. Skipjack from Its tow. Began blowing Searaven's ballast tanks. Underway from alongside Searaven. Came alongside target submarine USS CREON (ARL-11) Pacche (95-384): sent a boat with a G e i Crew Slze: 144 ger monitor to check radioactivity on Eiklnl Arrival: 1 June 1946 Parche. Boat returned from Parche. Blkinl Atoll Departure: 21 August 1946 Shot ABLE Locatlon: Kwajaleln Atoll Anchored near Eneu Island. Shot BAKER Locatlon: 17 nml (31 km) ENE Oecontamlnatlon Locatlon: Los Angeles Operatlonal Clearance: 23 January 1947 Underway to take soundings with Geiger Final Clearance: 1 February 1947 meter over Pilotfish. A m o n, and Skipjack. lask Unlt and Functlon Moored to USS Sylvania (AKA-44) to take ,-C a landing craft repair ship, was a support on freight. ship in TU 1.8.1 (Repair and Service Unit). It Anchored in unidentified berth. served as a repalr facility dutlng CROSSROADS. Engaged in diving operations to lay a Shot ABLE (1 July, 0900) four-pint moor.

1 July 0915 Departed Kwajalein Atoll for Bikini Atoll.

3 August

Moored over Skipjack: conducted salvage and diving operations.

4-9 August

Conducted diving operations on Skipjack.

10 August 1015 1230-1900

EnteredKwajaleinLagoonandanchored LCT-412 and LCT-874. Anchored in berth AX.

Completed four-point moor over Apoqon. Conducted diving operations Apwon. on

2 July 1125ArrivedatBikiniandanchoredinberth 96. July 13 LCT-412 alongside.

1 1 August 1015

Conducted diving operations on Apoqon.

15JulyTargetshipLCT-1187alongside.

I2 August

Made four-point mooring over Apoqon and engaged in diving operations.

Shot BAKER (25 July, 0835)

24 July 1131 13 August-I September Diving and salvaging operations continued 25 July over Apoqon. 0902 1715 2 September Underway to Apoqon to assigned anchorage. 3 September Moored to Skiplack to aid Widqeon in sal30 July 1735 vaglng Skiplack. 1200 Skiplack surfaced. 31 July Underway to anchorage. 1438 1047 4 September USS Conserver (ARS-39) came alongside to 0650 bring target vessel LCT-874 alongside. 2 August 1704 USS Palmyra (ARS([T]-3) towed BAKER tarI000 get vessel KT-412 alongside: commenced rigging LCT-412 and KT-874 for towing. 7 August 1630 Departed Bikini for Kwajalein with LCT874 and LCT-412 in tw. 21 August

312

Steaming in column with 11 other ships. Departed for Rongelap Atoll. Anchored at Rongelap Atoll. Underway for Bikini Atoll. Arrived at Bikini Atoll and anchored berth 96.

in

Shifted anchorage to area between berths Sail and Victor. Returned to berth96. Left Bikini Atoll for Kwajalein Atoll.

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 USS Creon (ARL-11)

USS Cumberland Sound ( A V - 1 7 )

23AugustArrivedKwajalein.

Shot B A K E R ( 2 5J u l y ,

11 September Departed Eor Pearl Harbor.

25 July

0835)

0355Crewevacuatedto USS CRITTENDEN (APA-77)

&x.

8 August Boarding team 5 from USS Suncock (AN-80) boarded. Reported Crittenden Geiger sour. Upper deck average 4.0 R/24 hours: hot spots 10 R/24 hours: inside and main deck 0.5 to 1.5 R/24 hours. Evaporator room and forward engine room 0.15 R/24 hours.

Crew S l z e : 1 1 2 B l k l nAl t o lAl r r l v a l B
 * e f o r e3 0J u l y1 9 4 6

B l k l nAl t o lDl e p a r t u r e : 24 August 1946 CrewLocatlonforShot ABLE: USS Bexar (APA-237) C r e wL o c a t l o nf oSr h o t BAKER: Bexar Shot ABLE L o c a t l o n : 6 7 5 y a r d s( 6 1 7m e t e r s ) NNW Shot BAKER L o c a t l o n 1:, 7 1 0y a r d s( 1 . 7 km) WNW D e c o n t a m l n a t l oLno c a t l o n : San F r a n c l s c o Sunk 5 October 1948 o f ft h es o u t h e r nC a l l f o r n l ac o a s t

12 AugustCommandingofficer,5officers,and enlistedmenboardedforopeningthe ship. Tolerance time 1 hour topside. to 24 hours below decks.

T a s kU n l t

8 4

13, 15, and 21 August and F u n c t l o n Crittenden, an attack transport, was a target vesShip was reboarded but number of personsel during CROSSROADS. Its crew was evacuated for nel and t i m e aboard not known. in Transportation Division each shot. It served Crittendenwasreboarded.Itsmaximum 22 August 92 in TU 1.2.6 (Merchant Type Unit). Crittenden portsidetopsidereadingwas4R/24 was equipped with a low-frequency radio beacon as 7 hours, maximum starboardside topside a directional aid for the photographic aircraft. R/24 hours, and maximum inside 0.5 R/24 Shot ABLE ( 1J u l y 0, 9 0 0 ) hours. The monitors returned-B to and 9). the ship closed (Reference 30 June 0916 24 August 2 . Left Bikini Atoll for Kwajalein towed by Crew evacuated to USS Reclaimer (ARS-42). 2 July 1600 26 August ArrivedatKwajalein.Topsideaverage Crittenden reported Geiger sour. but re7). 0.75 R/24 hours (Reference ported safe to work on for short periods (Reference 6, p. I-36-A). Remained sour 5, p. throughouttheday(Reference 28 August Crittenden decommissioned. B-17). 1 October Topside average 0.52 R/24 hours (Refec4 July ence 7 ). 0845 Teams A and B reboarded. 1 December Crittenden declared radiologically safe 1030 Crittenden departed Kwajalein towed by USS Cahuilla (ATF-152) en route to San by the radiological team from USS Haven (AH-12). Francisco. Personnel began reboarding. 1345 1412 An oceanographic party came aboard to conduct an inspection; the Ship MeasureUSS CUMBERLAND SOUND (AV-17) ment Group and Deck Survey Party came aboard to inspect damage. Crew S l z e : 'uL. n 1445 Radiological Group came on board to inB l k l nA l t o lA l rrlval: 3 May 1946 B l k l nAl t o lDl e p a r t u r e : 1 August 1946 spect ship for radiological contamination. Shot ABLE L o c a t l o n1: 9 nml ( 3 5 km) SE 1510 All parties left the ship. Shot B A K E R L o c a t l o n1: 3 nml ( 2 4 km) SE 1600 Samples of Crittenden's freshwater sent L o s Angeles D e c o n t a m l n a t l oLno c a t l o n : O p e r a t l o n aCl l e a r a n c e : 3 December 1946 to Haven for radiological tests. 1815 All officers and crew left for e B exF l n aCl l e a r a n c e1: 3 December 1946 cept gangway and security watch. Security watch made rounds and hourly reports of Task U n l ta n dF u n c t l o n the material condition of the ship. The seaplane tender Cumberland Sound was used as a support ship in TU 1.1.2 (Instcumentation). Its 5 July function was to provide laboratory and base fa0800 Officers and crew boarded from cilities throughout the operation. 1115 Food samples sent to Haven for radiological tests. Shot ABLE ( 1J u l y ,0 9 0 0 ) 1400-1430 The Ordnance Group came aboard for an inspection. 1 July 1710 All officers and enlisted men returned 1421 Reentered the lagoon and anchored in to -B exceptgangwayandsecurity berth 56. watch. 1705Shiftedtoberth147.

.B-e

6 July 0815

2 JulyShiftedtoberth

The crew returned to Crittenden.

313

56.

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 USS Cumberland Sound ( A V - 1 7 )

USS Current ( A R S - 2 2 )

Shot BAKER (25 July, 0835)

2 July 0739

25 July 0509 Underway for area outside the harbor (Reference 5. p. D-5). 1340Reenteredtheharbor. 1425Anchoredinberth384.

0816 0850

28 July Departed the lagoon. 29 July Returned to lagoon and anchored

0920

in berth

G.

0923 30JulyShiftedanchoragestoberth56. 0938 0940

1 August 0547UnderwayforSanPedro.

1025 USS

CURRENT (ARS-22) 1035

Crew Slze: 94 Blklnl Atoll Arrlval: 3 June 1946 Blklnl Atoll Departure: 25 August 1946 Shot ABLE Locatlon: 27 nml (50 km) E

1046 1125 1133 1135

Shot BAKER Locatlon: 12 nml (22 km) SE Decontamlnatlon Locatlon: Pearl Harbor Operatlonal Clearance: 6 February 1947 Flnal Clearance: 17 February 1947

1152

Task Unlt and Functlon Current was a salvage ship used as a support ship in TU 1.2.7 (Salvage Unit). Its functions were salvaging,firefjghting.andrepairingdamaged target vessels. Shot ABLE (1 July, 0900) 1 July

0942 1214 1256 1415 1443

1525 1535 1550 1556 1604 1624 1708 1711 1744 1825

1200 1202

1323

1412 Underway to Bikini Lagoon. Received orders to remain in reentry area until ordered forward, proceeding ahead 1504 with bare headway. Passed channel buoy1 abeam to port: ob1559 served various fires and explosions in target area. 1600 Underway in company with ATR-87 to put out fire and place boarding party on tar1730 get ship USS Pennsylvania (88-38). 1751 Withdrawing from the area of Pennsvlvania by order of CTU 1.2.7 due to heavy explo3 July sion from target ship USS Independence 0910 (CVL-22). Underway to go alongside ATR-87 to make Geiger counter test of firefighting equipment. 0930 ATR-87 underway from alongside. 1037 ATR-40 alongside to have Geiger counter test made of firefighting equipment. 1143 ATR-40 underway from alongside. 1249 Underway to place boardlng team aboard Pennsylvaniaandextinguishfireson 1312 Boardingpartyandfirefightingparty 1437 aboard Pennsylvania. Firesextinguished:firefightingparty 1448 and boarding team aboard. 1706 UnderwayfromalongsidePennsylvania, 1720 proceedingeastwardawaitinginstruct ions. Underway to berthH. 4 July 1052 Pmchored in berth H, off Eneu Island. Bikini.
 * uperst tucture deck.

314

Underway to complete inspection of target array. Boarding team member came aboard to resume duties with boarding team. Moored alongside target ship USS Fallon (APA-81)andplacedboardingteamon board. also firefighting team of three men aboard to extinguish smouldering fire on forecastle deck. Boardingpartyandfirefightingparty returned aboard from Fallon. Underway from alongside Fallon. proceeding to go alongside target ship USS Salt Lake City (CA-25). Moored alongside Salt Lake City. Placed boarding and fjrefighting parties on Salt Lake City. Observed target ship Sakawa sinking by the stern. Boarding team and firefighting party returned aboard from Salt Lake City. Underway from ,proceeding to target submarine YSS ApOqon (SS-308). Boarding team boarded Amon. Boarding team returned to Current. Underway from alongside A=, proceedUSS Skipjack (SSing to target submarine 184). Moored alongside starboard sideof S3lack and placed boarding team on board. Boarding team returned aboard. Underway from alongside Skiplack. proto ceeding to viclnity of Independence follow it to new mooring and assist in mooring if necessary. Moored to Independence to keep Independence clear of vessels in area. Independencein tow byUSSChickasaw (ATF-83); cast off lines and stood clear. continued to follow Independence to new mooring. WithdrewfromIndependence.proceeding to USS Wharton (AP-7). Boarding team left the ship to return aboard Wharton. Proceeding to westward area with Independence to assist in mooring. Chickasaw completed mooring Independence. Dropped anchor in berth 310. Radiologlcal team and boarding team I11 came aboard Current to conduct radiological and damage survey of Independence later. Underway to Independence. Inspection party and boarding teams left ship via boat to go aboard Independence. Anchored in berth 290. Boarding party and inspection party returned aboard. Underway to Wharton to dlscharge inspection and boarding parties. Laying to off Wharton. discharging inspection and boarding parties. Anchored in berth 75. Underway to new berth. Anchored in berth 31. Underway to go alongside target vessel ARE-13.

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 USS C u r r e n t ( A R S - 2 2 )

USS C u r r e n t ( A R S - 2 2 ) 4 July 1154 1359 1410 1430 1700

Anchored close to ARE-13 off Eneu Island. underway.maneuveringto go alongside ARE-1 3. Moored alongsideARK-13. Commenced rigging pumping equipment aboard ARK-13. Started pumping afterpump room of A R K 13.

1720 I740 2130 5 July 1113 1128 1141 1145 1500

1635 I744 1747 1753 1830 1847 6 July 0930 0944 1005-1240 1245 1327 1444

Afterpump room dry. Started pumping amidship compartments on C deck. Tank #8 andmldshlpcompartmentdry. stopped pumps.

10 July

1050 1245 1703 1744-1905 11 July 0722-1030 1157 1233

I2 July 1202 1250

1505

Underway to go alongside ARE-13. Moored alongsideARE-13. ARE-13 Removed salvage equipment from to ship. Underway. Dropped anchor ln unspeciEied location. in Underway to take target ship Naqato

15 July 16 July 0632 0730 0807-0817

Droppedanchoralongsldeportsideof Naqato. Ran line to moorlng buoy on bow of

0823 0938-0950 1029

Nq-

gato.

1825 1830 7 July 1008

1157 1353 1355

Dropped port anchor. Secured towing cable to Naqato's mooring 17 July 0755 buoy. 0859 Underway for berth 162 with Naqato

in

tow.

0936

Released towing cable from Naqato. Maneuvering to go alongside Naqato. Moored portside to Naqato.

2030 2051

8 July 0830 1059 1423 1510 1839 1901 9 July 0716 0806

0934

Conducted divlng operations. Underway. Anchored in berth 32. Underway to go alongside target ship U s LST-125. Moored alongside LST-125. Removed kedge anchor from LST-125. Moored portside to sternO E LST-125. Attached kedge anchor to stern of 125. a e r w a y to berth. Anchored in berth 31.

1340 Disconnectedallelectricalleadsto ARK-13. 1457 1515-1523 Underway from A R E - 1 3 to target submarine USS Skate (SS-305). 1526 Moored alongside.&S Started clearing wreckage Skatq. on 1640 Transferred Skate's anchor to Current. Diver made dive for Skate's bow anchor. 13 July Anchored in berth 31. skate underway to anchorage. Recovered stern anchor of Skate. 14 July Underway to pick up hydrophone cable. 0600 Underway to accompany skate to anchorage. 0637-0644 Anchored. S k a t e. proWithdrew from accompanying 0840-1 159Conducted diving Operations. ceeding to ARE-13. 1205 Underway to anchorage. Anchored off Eneu Island. Anchored in berth 31. 1243

tow.

1501

Anchored in berth 161. Commenced divinq operations for mooring buoy riser. berth 161. Dropped anchor south of Conducted search for mooring buoy rlser.

Underway. laying to

qdto.

in vlclnity of

Remained anchored. Underway to go alongside Naqato. Moored portside to Naqato In berth 162. Hoisted Naqato's stern anchor aboard CUIrent. G e d starboardside to Naqato. Hauled Naqato's stern anchor aboard Current, cleared linesand underway. Anchoredcloseto target ship Pr& Euqen. in anchorage south of berth 141. Underway for center of target array to lay instruments. Moored to mooring buoy in center of target array. Commenced laying anchors and cable with instruments attachedt o cable. Underway to pick up cable end attached to mooring buoy. Moored to mooring buoy in center of target array.

Fa_-

Moored portside toNagatq. Underway from alongside Naqato. Mooredportsidetostarboardsideof Nqgato; commenced rigging towing wire to bow of Naqato. Commenced rigging towing wire: underway from alongsideNaqato. Anchored to Naqato. Underway with Naqato in tow. N a s dropped anchor; Current cast off tow. Anchored in berth 31.

18 July

0728-0807 0942

Conducted diving operations to retrieve 1" cable. Instrument cable-laying operations completed. underway en route to berth 31.

19 July 1300-1305 1330-1336 1355 1404 1428

Circled target ship V_SS Geneva (APA-86). Circled Fallon. of Uharton. Laylng close aboard starboard Returning to berth 31. Anchored in berth 31.

20 July 0823

Underway to recover anchor.

315

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 USS C u r r e n t (ARS-22) 20 J u l y 0937 1155 1432 1529-1815 21 July 0800 1349 22 July 0933 0950 1023-1155 1203 1232 1340 1434 1447 1510 1541 1548 1651 1713 1850 1855 1922 23 July 0140 0840 1241 1300 1415-1650 1735 1805 24 July 1207 1230

USS C u r r e n t (ARS-22)

Anchored close to starboard bow of target ship USS Saratoqa (CV-3). Deep-sea divers underwater to search for anchor. Divers back on board. for Diver in deep-seaoutfitsearched anchor. Remained at anchor in berth 61 close to saratoqa. Commenced diving operations for recovery of hawk anchor. Continuedtoattempttorecoverhawk anchor.

1653

29 July 0841-1620

Anchored in center of target array. Underway en route to berth 31. Receivedorderstogoalongside !SI Kenneth W h i 3 (AV-14) to pick up pressure gauges. Alongside Whitinq, loading pressure gauges. Underway from Whitinq to lay instrument buoys. Anchored in center of target array. Number one instrument buoy laid in position. Underway to lay instrument buoy #2. Anchored. 1714 Laid instrument buoy #2. Underway. 30 July Anchored. Laid instrument buoy #3. 0901-2124 Made new anchorage. Laid instrument buoy #4. Underway to new anchorage to keep clear of mooring and instrument buoys in target array. Anchored 300 yards (274 meters) south of Prinz Euqen. Mender(ARSD-2)camealongsldeto take aboard hawk anchor. Mender underway from alongside. Underway to conduct diving operations on 2319 Instrument buoy. Secured line to target shipYSS LST-133. 31 July Conducted diving operations. 1018-1726 Underway to anchorage berth 31. Anchored in berth 31. YSS

Boardlng party came aboard. Underway for BAKER day.

Shot B A K E R ( 2 5 J u l y, 0835)

25 July 1105 1206-1219 1407 1450-1502 1620 26 July 1827 28 July 1224-1553

Entered the harbor. Alongside Geneva. Near the north point of Eneu Island. Alongside target vessel LCT-705. Anchored in berthD.

1805 1 August 0857-1622

Shifted to anchorage off Eneu Island. 1135 Moored alongside target ship USS LST-545 for 9 minutes to place aboard and recover2 August a boarding party. Moored alongside target 0925-1253 ship USS LST-220 for 8 minutes to put over and recover boarding party. Moored

316

alongsidetargetvesselLCI-329 for 1 hour. 7 minutes: boarding party aboard LCI-329 for 57 minutes. After departing LCI-329, commenced washing down target vessel LCI-327. after which a boarding team was placed on board for 6 minutes. Anchored in unidentified berthin Bikini. Moored alongside LCI-327 for 1 hour, 28 minutes. First boarding party aboard for 36minutes,afterwhichLCI-327was washeddown:asecondboardingparty aboard for 7 minutes. Floored alongside target ship USS Wainwriqht (DD-419) for 1 1 minutes: boarding party aboard for 10 minutes.Circledseaplaneforphotographic purposes. Placed boarding parties aboard two seaplanes via the ship's motor whaleboat.Afterrecoveringboarding parties and boat. moored alongside target ship USS Muqford (DD-3891 for 38 minutes: boardingteamaboardfor38minutes. USS Carteret Moored alongside target ship (APA-70) for 15 minutes: boarding team aboard for 15 minutes. Circled and washed down Muqford for 1 hour. Alongside &cfocd for 5 minutes: boarding party aboard for 3 minutes. Anchored in unidentiFied berth in Bikini. Washed down Muqford with €ront monitor for 1 hour, 48 minutes: placed boarding party aboard for 9 minutes to remove and bring back one instrument. Washed down Wainwriqht for 1 hour. 42 minutes: placed boarding party aboard for 16 mlnutes. Sent boating party to inspect target ves10 minutes. sel LCT-1114: returned within Boat left again with demolition team to placeadynamitechargeonLCT-1114. Eighteen minutes later charge wasfi red. A second charge was placed and fired 25 minuteslater.LCT-1114sunkinclose vicinity of obstruction buoy. Anchored off Eneu Island. Safety monitor came aboard from USS Haven (AH-12). Moored alongside Muqford for 3 hours, 9 minutes. washing it down with water from forward and auxiliary monitors; boarding party aboard for 7 minutes. Washed down target ship USS Butte (APA-68) for 2 hours. 28 minutes. Moored alongside Butte for 25 minutes: boarding party placed on board for 25 minutes. Lay to off WSS Cumberland Sound (AV-17) for 25 minutes to transfer black box recovered from Muqford to Curnberland Sound. Anchored in l e e of Eneu Island. Washed down target ship USS Briscoe (APA3 minutes. 65): boarding party aboard €or Washed down target ship USS Bracken (APA64); boarding team aboard for 13 minutes. Anchored o€E Eneu Island. Boarded Briscoe for 64 minutes. Washed down LCT-705: boarded LCT for 7 minutes.

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 USS Oellver ( A R S - 2 3 )

USS Current ( A R S - 2 2 )

3 AugustWasheddownBracken:boardedfor30

min3 July USS Rhind0830Teams C and D reboardedDawSon. Utes.Washeddowntargetship (DD-404); boarded for5 minutes. in Biklni. AJuly damage 3 report stated that overall the condi1434 Anchored tion of the ship was good and that the radioactivity 7-12 Auqust Conducted diving operations over wreck was negligible (Reference 2). .~ of Apoqon. Shot BAKER (25 July, 0835) 13-20 August Conducted diving operations over wreck 24 July of target submarine UsSPilotfish (SS0950EvacuationofDawson'screwtoHenrico 386). began. 21AugustContinueddivingoperationsover P@YSS Rockbridqe (APA13 August Crew transferred to Searched for sunken hull of Naqato. 228). Dawson was boarded for 2 hours by a monitor, select members of the ship's 22-24 August Conducted diving operations over Naqato. company. and a representative from DSH to reopen and inspect the ship (Refer25 August Completed diving operations over Naqato. ence 2 ). Departed for Kwajaleln with target ship USS LST-661 in tow. -____ 14 AugustTopsideaverage 0.6 R/24hours(Refer27AugustArrivedKwajaleinAtoll.Anchored !.STence 7 ). 661. Left Kwajalein for Wotho Island. 16 August Dawson boarded by five personnel to lift anchor in preparation for towing. 28AugustProceededtoWothoIsland.Begantowing target ship YSS Mayrant (DD-402) to Kwa19 AugustTowedby USS Achomawi (ATF-148) to Kwajaleln. jaleln Atoll. 29AugustAnchoredMayrant in Kwajalein.Anchored 24 August Arrived at Kwajaleln Atoll. off Ebeye Island. Kwajalein Lagoon.

m.

CurrentremainedatKwajalein,assistlngintowing,28AugustDecommissioned. mooring, and salvaging vessels until i t left for Pearl Harbor on 2 December. ItreturnedtoKwajaleinon 11 1 October Topslde average 0.14 R/24 hours (ReferFebruary 1947 and resumed salvage work on target ships. ence 7 ). On 31 July 1947, Current returned to Pearl Harbor. USS

DELIVER (ARS-23)

USS OAWSON (APA-79)

Crew S l z e : 110 Blklni Atoll Arrlval: Before 1 June 1946 Blklnl Atoll Departure: 19 August 1946 Crew Location for Shot ABLE: USS Henrlco (APA-45) Crew Locatlon for Shot BAKER: Henrlco Shot ABLE Locatlon: 900 yards (823 m e t e r s ) NU Shot BAKER Location: 1,2?5 yards (1.1 krn).WNW Sunk 19 Aprll 1948 near Kwajaleln Atoll

Crew Slze: 84 Blktnl Arrlval: Atoll 10 June 1946 Blklnl Atoll Departure: 20 August 1946 Shot ABLE Locatlon: Approxlmately 27 nmt (50 km) E Shot BAKER Locatlon: 12 nml (22 km) SE Decontamination Locatlon: Franclsco San Operatlonal Clearance: 20 December 1946 Flnal Clearance: 27 December 1946 and Functlon Deliver was a salvage ship used as a support ship in TU 1.2.7 (Salvage Unit). Its functions were salvaging, firefighting. and repalr work on damaged target vessels.

T a s k Unlt

Task Unlt and Functlon

Attack transport Dawson was a target vessel during CROSSROADS. Its crew was evacuated for each shot. It served in Transportation Division 92 of TU 1.2.6 (Merchant Type Unit). Dawson carrled Geiger counters and radio transmitters f o r the ElectronShot ABLE (1 July, 0900) ics Group. 30 June Shot ABLE ( 1 July 0900) 1300 Underway for area outside of lagoon, steaming with TU 1.2.7. 30 June Crew evacuated to Henrico. 1115 1 July Anchored in berthDog, Bikini Atoll. 1340 2 July 1017 USS Clamp (ARS-33) reported a fire on 2 July board Dawson. 0900 A party left the ship in small boats t o Fire extinguished by ATR-87. 1027 inspect the landing craft on the beach. 1148 Another fire reported (Reference 6, pp. 0902 Anchored in berth94. 1-29-A and I-30-A). 1140-1230 Boarded target ship USS Crittenden (APA1322 6, pp. Fire extinguished (Reference 77) for an inspection. I-29-A and I-30-A). 1301-1413 Inspected target vesselARE-13. 1615 Commanding officer TeamsA and B boarded 1442 Boarded target ship USS Pensacola (CA-24) to open ship and make radiological surfor an inspection. veys. 1448-1535 Extinguished two fires on Pensacola. 1730 Dawson declared safe. 1622 Completed inspection of Pensacola.

317

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 USS Deliver (ARS-23) 2 July 1735

USS

0959

Reanchored in berth Dog.

5 July Shifted to berth 32.

0840 6 July 1226

1037-1105 1125-1145

Underway in vicinity of Blkinl to perform routine activities. Anchored off Adrikan Island.

1618

1 1 July 1415 2359

1215 1255 1315 1339 1349

Fulled LCM off Bokonejien Island. Moored in berth 32.

Del 1ver ( ARS-23)

Underwaytotargetship USS Conynqham (DO-371) t o inspect and hose it down if necessary. Moored to Conynqham. Underway to USS Haven (AH-12) to take on new Geiger instruments. UnderwaytotargetvesselLCT-1013to inspect. Moored t o LCT-1013. Underway to inspect target vessel LCT705. Moored to LCT-705. Underway to inspect and hose down Conynqham.

12 July 0923 1145

Pulled LCM off Adrikan Island. Anchored off Adrikan Island.

13-14 July

Anchored off Adrlkan Island.

15 July 1020 1157

Underway to shift anchorages. Anchored in berth 32.

16 July 0741 1047

Underway to perform routine activltles. Anchored in berth 32.

1410 1544

Alongside Conynqham. Underway to USS Avery Island (AG-76) to transfer camera from Conynqham to Avery Island. Anchored near berth 379. "

17 July 0715-2009 2034 20-21 July

1739 30 July 0702-1010 1052-1210 1213-1258 1313-1332 1402-1420

Aided target ship VSS Independence (CVL22) in shifting berths. Anchored in berth 219.

31 July 0618

Anchored in berth 32.

22 July 1147 1753

1426-1436 1435-1450 1451 1534 1800

0850

Underway to perform routine duties. Anchored in berth 36.

0925-1338 23 July 0558 1858 Shot B A K E R

25 July 1159 26 July 1537

1600 27 July 28 July 1310-1427

1652 1750 29 July 0802 0805 0900

1 August 0812-0925 0945-1020

(25 J u l y, 0835)

24 July 1349

1548

1418

Underway to perform routine activities and shift berths. Anchored in berth 261.

1035-1042 Underway €or area outside atoll. steamlng with TU 1.2.7. 2 August 0810 0832-1138 1147-1231 1245-1400 1513

Anchored in berth Easy. Bikini Atoll Underway to clear area for USS Reclaimer (ARS-42). which was towlng target shlp USS Huqhes (DD-410). Moored in berth8.

Hosed down Conynqham. Hosed down Conynqham. Hosed down Conynqham's portside. The boarding party boarded Conynqham. Covered target ship USS Muqford (UD-389) with foam. The boarding party boarded Muqford. Sprayed foam on Muqford. Underway to anchorage. Anchored in berth E. Boarding team leet Deliver. Underway to receive foamite from USS Palmyra (ARS[Tl-3). Underway to go alongside target ship Pennsylvania (88-38). Conducted operations [operations not specified in ship's log]. Anchored in berthE. Sprayed foamite on Pennsylvania. Inspected target ship USS New York (BE34). Inspected target shipYSS Nevada (BI-36). Received boarding party. then proceeded to target ship Prlnz Euqen. Washed down Prinz Euqen. Boarding team inspected Prinz Euqen. Washed down Nevada. Anchored in berth 379.

3 August 0745 1552

Underway to conduct routine duties. Anchored near berth 379.

4-6 August

Anchored in Bikini.

Anchored in Bikini. Towed target vessel LCT-818 to its new berth. CirclingLCT-818,washing it downto dissipate radioactivity. Underway from alongside LCT-818. Anchored near berth 379.

7 August 0830

0931 1246 1305-1355 1355

Boarding team aboard. Underway to LCT-818. Moored to LCT-818 to inspect and hose down.

1358 1552 1557-1723

318

Moored next to YF-733 to plck up boiler compound and lye. Anchored in vicinityof Nevada. Underway to vicinity of target ship USs Mustin (DD-413). Washed down Mustin. Laying to from Mustin to anchor in vicinity. Anchored In berth 165. Underway to Mustin to wash it down. Washed down Mustin with saltwater.

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 USS Deliver (ARS-23) 7 August 1723 1737 8 August 0808

1112 1115 1214 1535 1545 9 August 0815

0830 0902 0902-0952 0952 1005-1116 1120 1248 1420 1420-1547 1547 1555 1555-1620 1620 1705

I 1 August 1003 1052 12 August 1001 1126 1150-1225 1228 1300-1330 1352 1418 1435 1540 1543 1618 1636 13 August 0758 1003-1731 1756 14-17

USS Deliver (ARS-23)

Proceeded to assigned anchorage. Anchored in berth 32.Bikini.

e

19 August 0920 0934-0956 1010-1023 1047-1137 1145 1241-1530 1530

UnderwaytovicinityofUSS Wh (AP-7) to pick up working party. then proceeded to Pensacola. Completed washing down Pensacola. Anchored in berth 117, Bikini. Shifted to berth 32. Bikini. 1620 LCT-1186 came alongside to deliver boiler 1650 compound. LCT-1186 departed. 20 August 0742

Director of Ship Material (DSM) boarding 0757 team came aboard. 1010 Proceeded to target shipYSS Trippe (DD403). Moored starboard side put to to 1014 boarding team aboard. 1028 DSM boardlng team on Trippe. Underway to Independence. 1212 Continued unspecified operations. Anchored in berth 198. Bikini. Underway to continue operations. 21 August Moored starboard side to Independence to put DSM boarding team aboard. DSM boarding team aboard Independence. 22 August 1135 Underway to target ship USS Bracken (APA64). 23 August Moored starboard side to Bracken to put boarding team aboard. 24 August DSM boarding team aboard Bracken. 0527 Underway to assignedanchorage. Anchored in berth 32, Bikini. 0750-1132 Underway to retrieve drifting rafts. Anchored in berth 32, Bikini.

1150 25 August 0742-1112

Underway to vicinity of target submarine USS Skate (SS-305). 1139-1210 Anchored near Skate. Continued unspecified operations. 1225 Underway to vicinity of target submarine USS Parche (93-384). 26 August Conductedunspecifiedoperations.then 0530 proceeded to Arrived in vicinity ofSkate and contin0645 0843 ued operations. Ceased operations and proceeded to target 0915 submarine USS Searaven (SS-196). Arrived near Searaven. 1025 Proceeded to Parche. Arrived near Parche. 1110 Completedoperationsandproceededto 1210 assigned anchorage. 1230 Anchored in berth 32, Bikini. 1306 1335

Skate.

Underway to vicinity of USS Rockinqham (APA-229). MooredtoMustintopumpwaterfrom boiler rooms. Anchored in berth 32, Bikini.

27 August 0638 1000 1404

1415

August Anchored in Bikini.

1444

18 August

1350

Underway to New York. Moored to New York. Moored to Pennsylvania. Mooted to target ship USS Stack (DO-406). Laying to in vicinity of Nevada. Moored to Nevada. VSS Preserver Standing clear to assist (ARS-8)with N S. Proceeded to assigned anchorage. Anchored in berth 108-A. Underway to take target ship USS Briscoe (APA-65) in tow. Anchored in berth 202. Bikini. A four-manworkingpartyreportedon B B board for anchor at Kwajalein for Coe *

Unde rwav , Anchoreb and preparedto take Briscoe in tow. Underway for Kwajalein with Briscoe in tow. En route to Kwajalein with Briscoe in tow. Anchored at Kwajalein. Anchored at Kwajalein. Underway to assist in bringing in msvlvania. in AssistedPennsylvaniatoanchorage Kwajalein Atoll. Anchored in berth A-14. Kwajalein. Assisted USS Chickasaw (ATF-83)in towing target ship USS Salt Lake City (CA-25) through Kwajalein Passt o anchorage area. Moored to Pennsylvania to discharge Chrysler pump. Anchored in berth A-14. Kwajalein. Underway to assist Preserver with tow. Passed tow line to stern of Pensacola. Let go llne to Pensacola, then proceeded to assignedanchorage. Anchored in berth A-14. Kwajalein. Underway to assist Reclaimer in mooring Crittenden. Moored to portside of Crittenden. Cast off from alongside Crittenden. Moored portside to Reclaimer. Underway to assigned anchorage. Anchored in berth A-14, Kwajalein. ~

Underway to assist with Independence. Passed tow wire to Independence. Anchored Independence. Let go t c u line from Independence and proceeded to assigned anchorage. Anchored in berth A-14. Kwajalein.

28-29 August Anchored in Kwajalein. After taking on fuel and water, anchored in berth 108-A. Bikini.

3 19

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 USS Dellver (ARS-23)

USS Dentuda (SS-335)

30 August

1645

Underway to assist USS Chowanoc (ATP-100, with target vessel !JSS&B?&e (APA-b6). 1730 Passed tow wire to Biule. 1918 Let go tow wire from B r l i e and proceedrd to anchorage. 2?08 Mooredtoberth A-14. KWajalein. 1517

9

Target submarine USS- Tuna (SS-203) moored alongslde Segraven to p o r t.

July 0915 Tgn3 underway.

Pi_l.otfL,sh underway. Underwayfromnest.shlfttngherth. 1014 Anchored assigned in berth. Rlkinl anchorage.

0918

0925

3 1 August-6 September

Anchored In Kwajaleln. Shot B A K L R (25 July. 0835) 7 September 1622 1650

Underway to L I S S - Li~Eest-one( 1 X - 1 5 8 ) to take i t in tow. Moored in berth K - 1 1. Kwajalein.

For HAKER pentuda was to be submerqed.

LO July 0900

8

September 0637 0643 1040

0923 Underway. maneuvering to take LImEstone 1045 in tow. Anchored in berth K - 1 1. Kwajalein. 21 J u l y 1ROO Underway with Limestone in tow. en route to Pearl Harbor.

23 September Arrived Pearl Harbor

1910

21 September Departed Pearl Harbor.

I910

8

October

22 July 0600

Arrived San Francisco.

Oh40

USS DENTUDA (SS-335) 73 July 0640

Crew S l z e :

58 B l k l n l Atoll A r r l v d l : 31 May 1946 Blklnl Atoll Departure: 22 August 1946 Crew Locatlon for Shot ABLE: USS Bottln-cau (APA-235) Crew Locatlon for Shot B A K E R : Bottlneau Shot ABLE Locatjon: 1.930 yards (1.8k m ) I Shot BAKLR Locatlon: 1,466 yards (1.3 km) N N t Decontamlnatlon Locatlon: S a n Franclsco Decomnlssloned 1 1 December 1946, San Frdnclsco

nolo 2.7

pentuda was rlgged for divinq. Commenced maklng stationary trim dtve. Surfaced from stattonary trim dlve.

Mender (ARSD-1)camealongside starboard to suspendleadweights submerged tests. Completed suspendlnq lead wt~tqhts for ward. Bender underway. USS

to for

M e n d e r camealongside t o suspendlead weights for submerqedt e s t s. Completed h, l n y I n q wc.iqhts: Mender under way. Widgeon (ASR-1) anchored i n posltlon close aboard and commenced operatlons for submergence of pent.uda. All personnelevacuated to Hottlneau. Widgeon submerged Ilentuda. USS

JU 1 y

1533

Surfaced by Widgeon. Radlatlon readings on Dentuda showed4 R / L 4 hours.

Task

Unlt and functlon The submarine Dentuda was a target vessel durlng CROSSROADS. I t s crew was evacuated for eachshot. It served in Submarine Dtvislon 112 of Tu 1.2.4 (SubmarineUnit).Dentudacarriedspecialtest torpedoes for studies on their effect from the atomic blast.

28

JU

1y

094 Ill 1

5 Readings were I. ? R/24 h o u r s on the boat and 0.4 R/24 hours in the water. Dentuda was surfaced and beached on Enru Island by USS Coucal (ASR 8 ).

29 July Shot

ABLE ( I July, 0900)

29 June

0800 1400

All nonessential personnel were evacuated t o Bottlneau.

31 July 0845

30 June

0908 I130

Dentuda was rigged. Remalntng crewmembers were evacuated Rot t e a l.

2030

2 August

Teams A and B reboarded and conducted gas and machlnery inspections. Dentuda opened and found clear of contaminatlon; crew reboarded. Moored starboardside to target submarine

Pilotfish(SS-386).alongside US? ___ Fulton (AS-11) in anchorage 231, R l k i n l. Target submarine USS Searaven (SS-196) moored alongside to port. USS

1635

1240

Teams A and R hoarded Dentuda. flndinq an average of 0.h.7 R/74 hours topside. and the air below The boat was opened decks purifted. Inspectton trams resealed the boat and departed.

3 August

3 July

1544

Ten personnel assisted Coucal in clearing hoses and lines.

to 0930

2 July 1640

Reading was 7.5 R/24 hours. Two Gelger monttors hdd recelved their daily exposure limit of radioactlvlty.

320

0930

Teams A and R boarded Dentud-a to scrub I t. anddorepair thetopside,flush work. De"t_u_d_a was below radiological tolerance tnstde I t s pressure hull. and decontamtnation scrubbing of the topside

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 USS Dentuda ( S S - 3 3 5 )

USS Dentuda (SS-335) 3 August

until 9 August did not reach tolerance (Reference4).However,anothersource states, "Dentuda Geiger readings below daily tolerance. This has been reported to Radsafe for final clearance to permit IO). crew to move aboard'' (Reference

was continued. Its average was0.50 R/24 hours, 0.02 R/24 hours below decks, maximum 1.5 to2.0 R/24 hours. The teams resealed the boat and departed (References 4 and 10).

e-

Between 4 and 13 August boarding teams were aboard -. The times of their arrival aboard and departure from the boat are listed below: Date ___

Arrival Departure Team

1045

1500 5 August 0930 1530

6 August 0710 0750 0751 0940 0945 1045 1615 7 August 0900 1105-1145 1615

0830

-

0915

4 August 1500 0900 5 August 1530 0930 1615 1045 6 August 0900 7 August 8 August 1605 0945 9 August A.B.C 0915 10 August 0950 11 August 1545 0805 12 August 1545 0817 13 August 0830 4 August 0900

9 August

1615 1615 1615

A.6 A,B A,B A.B A.B

1615 1700

A.B Electricians A,B.C A.B,C

10 August 0950

1615 Teams A and B boarded and continued repairs and cleaning. Pump room pumped dry; commenced removing various panels and motors and associated electrical equipment for treatment after 11 August saltwaterflooding.Theentiretopside 0805 was again scrubbed down. In addition. the wooden decking on the aftergun platform was ripped up and thrown overboard. The 1545 metal deck was then given another scrubbing. The reading dropped to 12 August 0.8 R/24 hours. The average reading for the day 0817 was 0.32 R/24 hours (Reference 4). Boat sealed and all personnel evacuated. 1545 Teams A and B boarded and continued cepairs and cleaning. Boat sealed and all personnel evacuated. Scrubbing was continued. Average reading 0.26 R/24 hours (Reference 4).

13 August 0830 1020 1030

Special team boarded boat to assist _ Preserver _ _ (ARS-8) in refloating Dentuda. Dentuda waterborne. Underway in towforsubmarinemooring area. 14 August Moored in submarine mooring buoy No. 4. 1306 Preserver underway from alongside. 1451 Teams A and B reboarded and continued repair work. 17 August All personnel evacuated. Average reading 1255-1330 0.24 R/24 hours (Reference 4). Teams A and B reboarded to continue repair work. Unloaded ammunition. Teams A and B sealed boat and evacuated. Average reading 0.15 R/24 hours (Reference 4 ).

20 August 1050-1645

1605

Teams A and B reboarded to continue repair work. Teams A and B sealed boat and evacuated. Average reading 0.12 R/24 hours (Reference 4). One source states that Dentuda

Teams A and B reboarded to continue repair work. Teams A and B sealed boat and evacuated: Geiger readings below maximum daily tolerance. Electrician working party with two officers boarded to continue electrical repair work. Working party sealed boat and evacuated. Teams A, B , and C reboarded to continue repair work. Crew sealed boat and evacuated. Teams A. B, and C reboarded to continue repair work. Moored portside to Fulton. OEficersandcrewberthedandmessed aboard Fulton with duty section aboard ship at all times. Maximum Geiger reading aboard Dentuda was 0.07 R/24 hours. Ventilation was cleared by Radsafe. although the boat was not cleared for crew to move aboard (Reference IO). Underway from alongside Fulton. Moored starboard side to Radiological inspection party came aboard and inspected officers and crew. [Crew may have returned to live aboard Dentuda, but log does not specify this.] TargetsubmarineUSSParche(39-384) alongside.
 * E.

2 1 August

1730-1750 8 August 0945

Crew was transferred from Bottineau to remanned target ship YSS Fillmore (APA83). Teams A, 6. and C reboarded Dentuda to continue repair work. Teams A, El, and C departed leaving aboard a special detail of one officer and four enlisted men. Special detail sealed boat and evacuated. Maximum Geiger reading 0.07 R/24 hours. Recommended crew move aboard when cleared by Radsafe (Reference lo).

22 August 0903

321

Watered boat. Underway en route toKwajalein in company with target vessels Fillmore. USS ConynqParche. and Searaven. h_g(DD-371).

Tuna.

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 USS

USS Enoree (AO-69)

Dentuda ( S S - 3 3 5 )

23 August 1117 Moored to Tuna in berth 28. anchorage A. Kwajalein. 1215 Moored t o Tuna in berth 28 South, Kwajalein.

USS DUTTON (AGS-8)

Crew Slze: 60 Blklnl Atoll Arrtval: 3 August 1946 14 September 1946 Blklnl Atoll Departure: Locatlon for Shot ABLE: Pearl Harbor Locatton For Shot BAKER: En route From Pearl Harbor to Kuajaleln Atoll Oecontamlnatlon Locatlon: Los Angeles Operational Clearance: 18 December 1946 Flnal Clearance: 10 January 1947

28 August 0650UnderwayforPearlHarbor. 5 September 0852ArrivedPearlHarbor.

14 October Arrived at Mare Island Naval Shipyard.

Functlon Dutton was a surveying ship. Its functions were to survey the probable effects of the atomic bomb on fish and wildlife and to conduct an oceanographic survey on ocean currents in and around the atoll area to determine their characteristics.

USS DIXIE (AD-14) Crew Slze: 8 3 5 Blklnl Atoll Arrlval: 24 Hay 1946 Blklnl Atoll Departure: 25 August 1946 Shot ABLE Locatlon: 22 nml (41 km) NNE Shot BAKER Locatlon: 17 nml (32 k m ) E Oecontamlnatton Locatlon: San Franctsco Operatlonal Clearance: 2 October 1946 Flnal Clearance: By 22 November 1946

Shot ABLE (1 July,

Dutton was moored in Pearl Harbor for ABLE. shot 22 July 1357UnderwayfromPearlHarbor Islands.

Task Unlt and Functlon a destroyer tender, was a support ship in TU 1.8.1 (Repair and Service Unit). Its function was to provide repair and other services to many ships during the operation.

u.

Shot ABLE (1 July, 0900) 30 June 1554Underwayforareaoutsidetheharbor, steaming with USS Benevolence (AH-13). USS Bountiful (AH-g), and other vessels. 1 July 1700 EnteredBikiniLagoon. 1821 Anchored in berth 269, Bikini Atoll.

2 July 1135 Changed anchorage to berth

to Marshall

Shot BAKER (25 July, 0835) Dutton was en route to Kwajalein Atoll during shot BAKER. 3 August 0840

Anchored at Bikini Atoll in Open Roads.

14 August 1445 1452

Underway to shift berths. Anchored in berth 207A.

18 August 1100

Anchored in berth 251A.

22 August 0923

Anchored in berth 231.

26 August 1615

Anchored in Open Roads.

191.

Shot BAKER (25 July, 0835) 24 July 1548

Underway for position outside

25-29 July

Steamed at sea.

of atoll.

27 August 0950 30 August

30 July 0716

0900)

Underway t o conduct survey-sounding operat ions. Conducted survey-sounding operations.

Entered the lagoon and anchored in berth 1-7 SeptemberConducted survey-sounding operations. 191. 11 September Conducted survey operations.

2 August 1556

Anchored in berth 365.

14 September Departed for Kwajalein Atoll. 0614

7 August 0855

Anchored in berth 191:

15 September Arrived at Kwajalein. 2055

Anchored in berth 57-58.

25 September Departed Kwajalein for Pearl Harbor. 1025

14 August 0847

25 August 1647

Underway for Kwajalein Atoll. USS ENOREE (AO-69)

26 August 0916

Anchored at Kwajalein.

9 September

1613

Departed Kwajalein for Pearl Harbor.

Crew Slze: 152 Blklnt Atoll Arrlval: Before 1 July 1946 Blklnl Atoll Departure: 24 August 1946 Shot ABLE Locatlon: Anchored at Kuajaleln Atoll

322

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 USS Enoree (AO-69)

USS E t l a h (AN-79)

Shot BAKER Location: 17 nml (32 km) E Decontamlnatlon Locatlon: San Franclsco Operatlonal Clearance: 3 December 1946

USS ETLAH (AN-79)

Crew Slze: 36

Shot ABLE (1 July, 0 9 0 0 )

Biklnl Atoll Arrlval: 1 Aprll 1946 Biklnl Atoll Departure: 27 August 1946 Shot ABLE Locatlon: 25 nml (46 km) E Shot BAKER Locatlon: 12 nml (22 km) SE Decontamlnatlon Locatlon: Puget Sound Operational Clearance: 18 December 1946 Flnal Clearance: 21 December 1946

Enoree was anchored at Kwajalein Atoll for shot ABLE.

Task Unlt and Functton

Task Unlt and Functlon Enoree was an oiler in TU 1.8.1 (Repair and Service Unit). Its function was to provide fuel to the other ships during CROSSROADS.

Etlah was a net laying ship in TU 1.2.7 (Salvage Unit). Its functions were to place buoys and tacget vessels in their proper places in the target array and after the detonations to place boarding teams on the target vessels.

4 July 0751ArrivedatBikiniandanchoredinberth 305.

During the period between shots ARLE and RAKER. Enoree Shot ABLE ( 1 July, 0900) provided oil to many task force ships. 13 July 1922 Departed Bikini for Kwajalein Atoll.

30

14 July 1222ArrivedatKwajaleinAtoll.

in

24 July 1507UnderwayfromBikiniLagoon. Shot BAKER (25 July, 0835) 25

July

Steaming withUSS Dixie ("14).

30 July 0729

Anchored in berth 305, Bikini.

2 August 1725

Shifted to berth Oboe.

24 August 1437

Departed for Kwajalein Atoll.

25 August 1035

Arrlved Kwajalein.

31 August 0800

Departed for Enewetak.

Underway to take position for area Mercury.

ABLE in

1 July 1340 1347

16 JulyDepartedKwajaleinforBikiniAtoll.

17 July 1027 Arrived at Bikini Atoll, anchored berth 305.

June 1300

Proceeding on duty assigned by CTU 1.2.7. Alongside target vessel LCI-529 [sic] placed a boarding party aboard. Underway to target vessel LCI-329. 1352 Alongside LCI-329. 1404 Underway to target vessel LCI-327. 1418 1432-1444 Alongside LCI-327. USs Anchored in vicinity of target ship 1500 LST-133;boardingpartyleftinsmall boat. Boarding party returned on board. 1526 1549-1607 Alongside target Submarine USS Pilotfish (55-386): boardlng team placed aboard. Underway for target shipUSS LST-220. 1655 Laying to in vicinity of LST-220. 1705 lor 1708-1714 Dispatched boardlng party and boat LST-220: team did not board. Dispatched boat to target ship USS LST1715 545. 17201742Team placed aboard LST-545. LeftLST-545forLST-220toattempt 1742 boarding. Boarding party returned aboard: did not 1755 board LST-220. Anchored in berth M, Bikini. 1835

2 July 0700

3 September Underway for Kwajalein.

0740-0751

4 September Arrived at Kwajalein.

0805-0829

7 September Underway for Pearl Harbor with APL-30 (a vessel that did not participate in CROSSROADS) in tow.

0829-0854

Underway for complete inspection of target vessels. Placed team on target submarine USS Tuna (SS-203). Placed team on target submarineUSS Den-

p&

20 September 1051 Arrived at Pearl Harbor and moored at Fuel Oil Dock after casting off tow. 23 September Three of Enoree's small boats were inspected by radsaEe representatives: all three boats were declared radiologically safe for operation.

323

(SS-335).

Placed team on board target submarine Searaven (SS-196). USS LST0854-0939 Placed team on board target ship 661 by means aof small boat. 1012-1056 Placed team aboard target ship YSS LST-52 by means ofa small boat. 1056-1 124Placed team on board target vessel LCT874. 1124-1136 Placed team aboard target vessel LCI-332. 1136 Underway for Eneu Island. 1352 Anchored near Eneu Island.

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 USS E t l a h ( A N - 7 9 )

USS E t l a h ( A N - 7 9 )

"

3 July 1431

8 July 0710

Underway for buoy area to assist Suncock with moor. Moored to Suncock. Underway for Ottawa. Moored t o Ottawa. Moored to buoy B: engaged in Operations. Moored to Ottawa. Moored to Suncock. Moored t o Ottawa. Anchored in overnight berth.

0820 0935 1000-1245 1300-1410 1430-1525 1740-1840 1905-2005 2008 9 July 0900-1000 1015-1130 1220-1320

1330-1530 1547-1620 1633-1715 1720 10 July 0650-0745 0825-0930 1035-1330

1355

Moored to Suncock: completed operations. Moored to Ottawa. Moored to 0 s : completed mooring operat ions. Moored to Ottawa. Moored t o Suncock; completed mooringoperations. Moored t o Ottawa. Moored 200 yards (183 meters) Forwardof Ottawa.

12 July 0910-0930 0945-1130 1205

Moored to USS Rolette (Am-99). Moored to USS Henrico (APA-45). Anchored.

22 July 1230

1737 1815-1925 1930 2023-2045 2205 2242

2245-2300 2340-2345 24 July 1315 2115 2140

Underway for YSS Georqe clwer (APA-271. Moored to Clymer. Conducted mooring operations on Searaven. Anchored off target shipVSS Trippe (DD403). Underway. Engaged in mooring operations on target submarine USS Skiplack (SS-184). Moored to USS Conserver (ARS-39). Engaged in operations on Skiplack. Moored to Conserver. Engaged in operations on Skiplack. (ARS-8). Moored to USS Preserver While hanging a 10-ton anchor off a pattially submergedsubmarine, ship's launch wasstruckwith anchor, crushed,and sunk: no personnel injured. Moored to Tuna. Moored to

Tuna.

Throughout early morning engaged in operations onTuna. Boarding team on board Tuna. Underway to Searaven. Moored to Searaven.

Shot BAKER (25 J u l y, 0835)

25 July 0100 0610 0808 I125 1200

1240-1325 1325 1340-1350 1400-1435 1435 1455

Alongside Ottawa. Completed operations. Anchored.

17 July 0650 0740 1010 1033-1 1330

1455 1610-1730

Moored to Suncock: mooring operations. Moored to Ottawa. o E E Eneu IsConducted buoy operations land. Anchored in berth 87. Bikini.

11 July 1123-1250 1505 1520

1830

1120 1130-1133 1230-1330 1405

Underway to USSSuncock (AN-80). Engaged in buoy operations with Suncock. Underway to USS Oneota (AN-85). Moored to Oneota. Underway for USS Ottawa (AKA-101). Moored to Ottawa. Underway for buoy area. Moored to Oneota: engaged in stretching third leg and underway to Ottawa. Moored to Ottawa. Anchored in overnight berth.

1733 1930

1810

Alongside Searaven. Moored to Ottawa. Anchored in berth 244.

23 July

7 July 0710 0820-0930 1210 1255 1350 1430 1510 1534-1649

13 July 1440

1245-1320 1342-1420 1715

Shifted anchorages; anchoredin berth M. Bikini.

1500 28 July 0910 1020-1050 1245 1425

Underway for mooring operations on target vessel ARE-13. Completed operations on ARK-13. proceeding to USS Cebu (AX-6). Moored to.&C

1500 1510 1600

29 July 0805-1410

Underway to Henrico for mooring chains. Moored portside to Henrico. Underway for .0140Moored to Ottawa. Anchored.

1500 1508 30 July 1030-1330

Underway for Searaven

324

Underway to anchorage. Underway outof lagoon. In formation with CTU 1.2.7. Anchored in lee of Eneu Island. InstrumentationTeamaboard.underway proceeding to target ship USS Niaqara (APA-87). Moored to Niaqara. Underway proceeding to target ship USs Geneva (APA-86). Moored to Geneva. Moored to target ship USS Bladen (APA631, Underway for special anchorage. Boardingoperationscompleted,Instrumentation Team returned to USS Kenneth Whiting (AV-14). Anchored in berth Queen, Biklni. Underway for mooring array. Moored to Tuna; engaged in operations. Anchored off Bikini to pick up buoy for mooring. Anchored off Ionchebi Island to take buoy up to anchor. Mooring completed. underway to anchorage in berth Queen, Eneu Island. Anchored in berth Queen. Anchored off berth 380. Underway to perform Operations for strument group. Boarding team discharged. Anchored in assigned berth.

in-

Engaged in operations In target array to salvage underwater instruments.

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 USS Walke (DD-723)

USS Wenatchee ( A T F - 1 1 8 )

4 July 1451ProceedingtogoalongsideUSS O'Brien3-4August (DD-725) to pick up radiological instrument s. 4 August 1523 Commenced laying to off portquarter 1139 of O'Brien. to returntostationoffL.ukoj 7 August 1622Underway Pass. 1642 Commenced laying to on station for oceanographic soundings. 8 August 1051 5 July in berth 190 South. Bikini. 1313 Anchored

Took oceanographic soundings. Anchored in berth L South, Bikini. Anchored in0830 berth 190 North, Bikini. Underway for oceanographic cruise consisting of sounding station at 60-mi (Ill-km) intervals northward along 165OT east longitude meridian.

8 July

1346Underwayfromberth190 South,Bikinl,6-10August to take oceanographlc soundings. 10 August oceanographic 9-14 Took soundings. 1945 July 14 July 0912 Anchored

Took oceanographic soundings. withDestroyer Underway torendezvous Squadron 7 and proceeded to Pearl Harbor.

in berth 190. Bjkini. August 15 i200

Moored at Pearl Harbor

Shot BAKER (25 July, 0835) 24 July 1230 25 July 0818 0835 1138 1231 1916 2140

2155 2319 26 July 0802

1243 1637 1815 27 July 1'155 28 July 1646 30 July 0448 1300 1354

USS

Underway for stlot RAKER operations. procecdtng to area Hudson.

WENATCHEE ( A T F - 1 1 8 )

Crew Slze: 99 Blklnl Atoll Arrlval: 30 May 1946 Blklnl Atoll Departure: 18 August 1946 Shot ABLF Locatlon: 132 nml (244 k m ) SE Shot BAKER Locatlon: 20 nml (37 km) ENE Decontaminatlon Locatlon: San Franclsco Operatlonal Clearance: 13 November 1946 Flnal Clearance: 13 November 1946

Commenced using various courses and speeds to remain within area Hudson until atomic bomb detonation. Bomb exploded. Left column, all engines stopped; laying to for test probe. lask Underway to rejoin EJS Laffey (DD-724) and USS Inqraham(DD-694) in column. Commenced radiological patrol. of downwind Commenced crossing station #4 patrol, stopping at intervals to lower probe. Stopped to lower probe while crossing #4. Stopped to lower probe while crossing #4. Shot

U n l t and Functlon The fleet ocean tug Wenatchee was a member of TU 1.8.1 (Repair and Service Unit). Wenatchee malnIt astained maintenance and repair facilities. sisted in decontaminating target vessels. salvage, towing, and emergency repair work. A B L E (1

July, 0900)

Took oceanographic and radlological soundings while on downwind patrol. Underway to Enldrik Pass to conduct Operation Colgate (oceanographic and radiological probes). Secured from downwlnd patrol. All engines stopped: laylng to for Operation Colgate. Anchored inside Enidrik Pass. Commenced lowering probe.

30 June

Anchored in berth 330, Bikini Atoll. Took radiological readings with probe.

2

Anchored in berth 307 North. Bikini.

3 July 1749Anchoredinberth

Evaporatorssecuredbecause of radioactlvlty. All oceanographers and radiological monitors left.-W Anchored In berth 307.

31 July 081 1

Anchored in berth 190 North. Bikjni

2 August 0858

Underway for oceanographic cruise #71.

1420

UnderwayfromRikiniforrendezvouswith USS Munsee (ATF-107); APL-20 in tow en route to Kwajalein.

I July t o Kwajalein 0900EnroutefromRikiniAtoll Atoll with APL-20 in tow. Large ball of fire noted on horizon (Wenatchee 132 nml [244 km] from detonation). in berth 67 Able 1A25AnchoredwithAPL-20 anchorage. Kwajalein.

July 1440Underwaywith Atoll.

YF-733 in towforBikini

191-A, Bikini.

5 July USS Saratoqa 1450 Underway for target ship (CV-3) with water barge along portside. 1528Mooredwaterbargealongstarboardside Saratoqa. pro1532 Underway from alongside Saratcqa. ceeding to anchorage. 191A. Bikini. 1546Anchoredinberth 6 July

0650 Underway to assist

435

USS

Chikaskia (AO-54).

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 USS Walnwrlght (OD-419) 6 August

USS

Shot BAKER Locatlon: 15 nml (28 km) E Decontamlnatlon Locatlon: San Franclsco Flnal Clearance: 23 October 1946

average, 0.068 R/24 hours. below deck maximum, 0.11 R/24 hours (C.P.O. mess. port bulkhead, next to skin). 7 August 0745 1700

Task Unlt and Functlon The destroyer walke was a member of TG 1.7 (Sur-

Ship's force aboard. Evacuatedship.Topsideaverage,0.09 0.5 R/24 R/24 hours, topside maximum, hours(topofdirector);belowdeck average, 0.08 R/24hours:bslowdeck maximum, 0.5 R/24 hours (sonar room).

face Patrol), Destroyer Division 71. The ship was primarily responsible for conducting oceanographic surveys and radiological monitoring during the operation. Oceanographic cruises included bathythermographs and oceangraphic soundings. Sho t

8 August 0810 1632

Ship's force aboard. Topside average 0.06 R/24 hours, maximum 0.43 R/24 hours (mainmast): below deck average 0.07 R/24 hours. below deck maximum 0.32 R/24hours(porticebox). Evacuated ship.

9 August 0810 1700

Changed course and speed, left area Mack. proceeding to area Hudson to take station for shot ABLE. 0340 Arrived in area Hudson. 0941 Secured evaporators. 1241 SetnormalconditionRakerthroughout ship. 1337 Arrivedatpointbearing350°Tfrom target ship USS Nevada (EB-36), range 50 nmi (93 km). Changed to reciprocal coursesof 350°Tand17OoTevery 15 minutes to remain in vicinity of present position. 1839 [sic] Commenced steaming on various courses at various speeds to destroy floating object and to make radiological probe. 1832 Laying to. probing. Object in water dest royed. 1940 Completed radiological probe.

2 July 13 August 1035

18 August 0825-1

0209

Ship's Team A aboard to pump engine room 50 percent. dry: reduced stern tube leaks Staff inspections completed.

16 August

0612-0837 0853-1029

140Ship's team and monitors aboard for Geiger survey.

20 August 0800-1530

1058 1100

Majority of Wainwriqht crew transferred to USS Georqe Clymer (APA-27). Fifteen men aboard to repatch stern tubes.

1229

21 August

Commandingofficerand10-manworking USS Trippe (UDparty from target ship 403) boarded for 4 hours to make repairs and prepare for towing.

23 August

TowedtoKwajaleinandretainedfor radiological studies.

Underway to clear Bikini Lagoon. Arrived in area Mack.

1 July 0157

Ship's force aboard. Topside average 0.04 R/24 hours, topside maximum 0.15 R/24 hours (part of #3 uptake):belowdeckaverage0.03R/24 hours, below deck maximum1 .O R/24 hours (skin of bilge, sonar room). Departed ship.

1621

ABLE (1 July, 0900)

30 June 1235 2000

Ship's team aboard. UisSecuringship:teamsevacuating. continueddecontaminationworkpending clearance byradsafe.Geigerreadings: topside average 0.004 R/24 hours. topside maximum 0.4 R/24 hours (top of director): below deck average 0.07 R/24 hours, below deck maximum 0.34 R/24 hours (sonar room).

10 August 0824 1013

Walke (DO-723)

1533 1659 3 July 1309-1548

Remainlng Wainwriqht crewmembers were transEerred to other units at Kwajalein.

1731 1804

USS WALKE (00-723)

1900

Crew Slze: 242 Blklnl Atoll Arrlval: 27 May 1946 Blktnl Atoll Departure: 8 August 1946 Shot ABLE Locatlon: 24 nml (44 km) NE

4 July 0810 0820

434

Made downwind surface patrol, axis 170OT, 3500T. 50-nmi (93-km) radius. Changed course. having completed crossing Stopped all engines and commenced laying to conduct radiological patrol. All engines stopped: commencedradiolqical probing. Underway for Bikini with patient requiring emergency appendectomy. All engines stopped: hoisted aboard probing wire, losingboththermographand probe. Laying in vicinity of E Benevolence (AH-13) at Bikini. Proceeded to clear Bikini Lagoon. Stopped all engines. Laying to at Point Raker radiological patrol. All engines stopped: on station Baker off Lukoj Pass. Commenced taking bathythermograph readings. Proceeded to next station for radiolcqcal probing. All engines stopped: on station Raker for radiological sounding off Lukoj Pass. Commenced radiological soundings. All engines stopped: laying to at position Baker for radiological soundings. Commenced taking radiological probings.
 * 1) 4. Proceeded to station Raker of radiological patrol.

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 USS Walnwrlght (DD-419)

USS Turner ( 0 0 - 8 3 4 )

Shot BAKER (25 July, 0835) 24 July 0915 1551

25 July 0817

0903 1050 1150 1452

Anchored in berth A-1, Rol Island. in companywlth Underwaytoproceed Shanqri-La and & C to Polnt Tare for BAKER test. Sortie order: c m, Turner, Shanqri-La.

1316

31 July 1550-1612

Detached from formation by order of CTG 1.6. Proceeded independently to Polnt A. Commenced buildingup maximum speed.T g s ' s mlssion was to assist the fighter direction in conjunctlon with drone cont rol. Attained maximum speed. Ordered by CTG 1.6 to rejoin formation. Rejolned Shangri-La taking plane guard station No. 1. Detached from assigned duty with ShanqriLa and CROSSROADS. Proceedlng en route Pear 1 Harbor.

1907

1 August

USS WAINWRIGHT (DO-419) 1007

Crew Slze: 148 Elklnl Atoll Arrlval: 1 June 1946 Elklnl Atoll Departure: 23 August 1946 Crew locatlon For Shot ABLE: USS Bayfield (APA-33) Crew locatlon for Shot BAKER: Eayfleld Shot ABLE L o c a t l o n : 2,159 yards (2.0km) NW Shot BAKER Locatlon: 2, 9 5 2 yards ( 2 . 7 km) NW Sunk 5 July 1948 near Kwajaleln

1014 1305 1535

Task Unlt and Functlon The destroyer Wainwriqht was a member of TU 1.2.3 (Destroyer Unit), Destroyer Division 2. Ithad 2 equipment aboard for the Electronics Group's experlments. It was a target vessel for AFLE and BAKER.

1605 August 0800 1605

Shot A B L E (1 J u l y, 0900) 30 June 0400 Wainwriqht evacuation completed; crew aboard Bayfield. 2

July 1140 USS Suncock (AN-80) reported Geigersweet(Reference 29-A).

2-23July

3 August 0840 1630 Wainwriqht 6. p. VII-I-

proceeding t o wash down Wainwriqht (Reference 6 . p. VII-I-52-B). Average Geiger readlng 1.5 to2 R/24 hours. Current reported boarding team returned from Uainwriqht; standing by for instructions (Reference6, p. VII-1-5343). USS Reclaimer (ARS-42) alongside Urnwriqht with boarding team and monltor 6 . p. VII-Iaboard briefly (Reference 62-61. DSM message to CJTF 1: '*DsM and Radsafe inspected [target ships] ConYnqharn, U&wriqht, andHuqfordaboveandbelow decks. Radiological conditions are such that portions of the crews can be put aboard for carrying outDSM decontamination procedure issued this date to all targetvessels.Uainwriqhthasabout three to four feet accumulated leakage in engine room bilges" (Reference 5 . p. 6-D-46).

Wainwriqht crew transferred Crom Bayfield to USS Bexar (APA-237). USS Clamp (ARS-33) reported proceedjng to Uainwriqht, deck apparently on fire. Clamp reported smoke on Wainwriqht coming 6, p. from handybi lly on deck (Reference VII-1-67-81. Ship's force clearing after engine room of water and washing down topside; expected to evacuate about 1500. Geiger readings in firerooms were0 . 1 to rooms 0.5 R/24 '0.6 R/24 hours, engine 1 R/24 hours. hours. weather deck average Departed ship. Ship's team aboard. 0.6 Secured ship. Weather deck average R/24 hours, fire rooms and engine rooms 0.1 0.3 R/24 hours. interior spaces about R/24 hours. Ship's team aboard. 1 R/24 Securedship.Topsideaverage. 2 R/24hours: hours;afterdirector. main deck. portside. frame 165. 1.1 R/24 hours: fire rooms and engine rooms, 0.3 R/24 hours: lower level. starboard side. forward fire room.0.9 R/24 hours.

Crew aboardUainwriqht.

24JulyCrewevacuatedtoBayfield.

4 August 0820 1623

Shot BAKER (25 July, 0835) 28 JulyGeigerreadingsof0.5R/24 hours at 100 feet (3.1 meters) reported.

Ship's team aboard. Personnel evacuated. Topside average0.5 R/24 hours, topside maximum 2 R/24 hours; below decks average0.3 R/24 hours: after engine room starboard against hull 0.8 R/24 hours.

29 Julv

5 August 0810 1043USSCurrent(ARS-22)placedaboarding team on Wainwriqht (Reference 6 . p. VIII-39-B). Average Geiger reading 2.5 R/24 hours. maximum 3.5 R/24 hours. 6 August 0805 30 July 1708 1125 Current reported boarding team back from target ship USS Muqford (DD-389).

433

Team A aboard: Gelger reading 0.2 R/24 hours. Ship's team aboard. Secured ship. Topside maximum. 0.85 R/24 hours, topside average, 0.5 R/24 hours (portside director on paint); below deck

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 USS Tuna (SS-203)

USS Turner (DD-834)

20 August

Fillmore.

Not contarnlnated; dld not enter Blklnl Lagoon after shot BAKER Flnal Clearance: By 22 November 1946

1600 Boat secured: officers and crew evacuated Decontarnlnatlon Locatlon: to

21 August 0845Officersandcrewreboardedandresumed decontamlnation work. Geigerreadingsaboard

Tuna arelistedinTableA.13.

Table A.13. Gelger readlngs (R/24 hours) aboard USS-Tuna (SS-203).

Task Unit and Functlon The destroyer Turner was a member of TU 1.6 (Navy Air Group).DestroyerDivision51.Itprovided patrol and plane guard support for the Navy's air units.

"

Shot ABLE (1 July, 0900) 30 June

Maxlmum Topslde 1 August 2 August 3 August 4 August 5 August 6 August 7 August B August 9 August 10 August 1 1 August 12 August 13-14 Augustb 16 August

Average Topslde

."a "

0.95 ."

"_

"_

." ."

0.08

"_ "_

1.0 0.85 0.86 0.45 0.41 0.47 0.36 0.18 0.27 0.05 0.05

0.11

1611

Average Below Decks 0.08 - 0.1

a.1

1 July

0757

<0.1 <o. 1 <o. 1 <0.1

<o. 1

0900

<0.1 <o. 1 0.02 "

-

1200

"

1541 0.13

O.lb

Underway from berthA-1, Roi Island. KwaYSS Shanqri-La jalein. to point Tare with (CV-38) and YSS Charles P. Cecil (DD835). By order of CTG 1.6, Turner detached from in Eormation. proceeded independently conjunction wlth fighter direction plan for the atomicbomb test. Atomicbombwasreportedreleasedby bombing plane. No visual effectsof bomb explosionwereobservedfromTurner's locat ion. Began patrolling on station Able outside Bikini Lagoon. Anchored in berth A-I, Roi, Kwajalein.

."

2 July 161 I

Underway for Bikini Atoll

Notes: a No reading avallable.

b On 13-14 August and after 16 August all topslde readings takenfrom a helght o f 2 feet deck were 0.10 R/24 hours (0.61 meter) above or lower. Hlgher readlngs were noted In those areas where the thickest coats o f paint and rust spots were present, speclflcally the rnaln Inductlon plpe and brldge.

4 July 0645 13 July 1610

Source: Reference 4.

22 August 0856Underway

3 July 0648 0808 0949 1618

14 July 0808

for Kwajalein. 1522

2 3 August

1155Anchoredinberth anchorage.

Moored to berth Underway for tour Anchored in berth Underway to Roi and.-C

324, Bikini. of target array.

268. Bikini. Island with Shanqrl-La

Anchored in berth A-1. Rol, Kwajalein. Underway for Point Tare with Shanqri-La and C a. Departed from Shanqri-La; proceeded to Po i n t Able In accordance with operation order. Anchored in berth 144A. Bikini Lagoon.

A-28. southKwajalein 15 July 1617

28 AugustUnderwaytoPearlHarbor. 7 October Underway to San Francisco.

14 October Moored in San Francisco. 1 1 DecemberDecommissioned.

Underway in company with Shanqri-La and C a for Roi Island, Kwajalein Atoll.

16 July 0758 Anchored in berth lein Lagoon.

A-1, Roi Island, Kwaja-

21 July 1734Underwayfromberth A-I. Roi Island. Kwalalein Atoll. for BikiniAtoll.

USS TURNER (DD-834)

Crew Slze: 313 Blklni Atoll Arrival: 5 June 1946 8tklni Atoll Departure: 25 July 1946 Shot ABLE Locatlon: 82 nrnl (152 km)SE Shot BAKER Locatlon: 49 nml ( 9 1 km) Sf

22 July 0925 Anchored in berth

A-22, Bikini Atoll.

23 July 1723 Underway for Roi Island, Kwajalein Atoll.

432

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 USS Tuna (SS-203) 3 August 0950

USS Tuna (SS-203)

EntjKe crew aboard, including monitor. Decontamination process continuing. Ship decontamlnated using saltwater wash. Tuna was below radiologicdl tolerance inside pressure hull (Reference lo).

10 August

0920Commandingofficerandcrewreturnedto boat to continue decontamination and repair work. Saltwater wash administered (Reference 4 ). All Geiger readings below lo).

evacuated. tolerance (Reference daily and secured Boat 1620 4 August 0835

1559 5 August 0925

1558 6 August 0905

0945 1545 1805

11 August Commanding officer. officers, radlologi0830 cal monitor, and crew reboarded to continue Inspection, testing. and decon1645 taminationwork.Decontaminationcontinued with saltwater wash. and lye bath f o r bridge. gun mount, and hull induction 12 August (Reference 4). 0810 Roat secured and evacuated.

Executive officer. officers. radiological 1610 monitor. and crew reboarded to continue inspectlon, testing, and decontamination 13 August work. Officers and crew of target subma0815 rine USS Skate (SS-305) completed temporary additional duty this date. Completed 1545 inspection of electrical equipment. All electrical equipment operable. Tuna com14 August pletely cleaned up inside and all machln0830 ery was tested except bow planes (Referencelo).Saltwaterwashadministered (Reference 4). 1630 Roat secured and evacuated. Commandlng officer. officers, radiological monitor, and crew reboarded to continue inspection. testing. and decontamination work. Saltwater wash: lye bath for bridge. gun mount. and hull induction:carbondioxidesprayedonmain induction (Reference 4). Commenced battery charge. Secured battery charge. Secured boat and evacuated.

15 August 0830 1100 1112 1710 16 August 0835

7 August

1000

1515 1530 1620 1630 1645 8 August 0905

1615 9 August 0915

1620

Commanding officer and crew wlth radio1550 logicalmonitorreboardedtocontinue inspection. testing, and decontamination work. Saltwater wash administered (Refer- 17 August ence 4). 0820 Stationed the maneuvering watch. Underway to recover anchor. Completedrecoveryofanchor:anchor 1610 housed. Moored to buoy off Ionchebi Island. 18 August Boat secured and entire crew evacuated. 0825 1550 Commanding officer. officers, crew. and t o conradiologicalmonitorreboarded 19 August tinue inspection, testing, and decontam0828 inatlon work. Saltwater wash administered (Reference 4). Boat secured and evacuated. 1000-1100 Commanding officer and crew returned to boat to continue decontamination and repair work. Saltwater wash administered (Reference 4 ). Boat secured and evacuated.

1600

Commanding ofEicer and crew returned to boat to continue repair work. Saltwater wash administered (Reference4 ). Boat secured and evacuated. Commanding officer and crew returned to boat to continue decontamination and repair work. Saltwater wash administered (Reference 4 ). Boat secured and evacuated. Commanding ofEicer and crew returned to boat to continue decontamination and repair work. Secured boat and evacuated. Commanding officer and crew returned to boat to continue decontamination and repair work. Boat secured and evacuated. Secured battery charge. Commanding ofEicer and crew returned to boat to continue decontamination and inspection Work. Underway to shift berths. Anchored in a position south of remanned target ship USS Fillmore (APA-83). Boat secured and evacuated. Commanding officer and crew returned to boat to continue decontaminatlon and repair work. Boat secured and evacuated. Commanding ofEicer and crew returned tc boat to continue decontamination and repair work. Boat secured and evacuated. Officers and crew returned aboard to resume decontamination work. Boat secured: officers and crew evacuated to Fillmore. Officers and crew returned aboard, opened upboat,andresumeddecontamination work. to Radiological inspection party aboard inspect boat. Boat secured: officers and crew evacuated to Fillmore,

20 August

0850

431

Officers and crew reboarded: resumed decontamination work.

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