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 ATA-185

ATA-185 22 July 0715 1050 1052 1606 1629 23 July 1615 24 July 1525 Shot

Passed 7-inch manila line to Apoqon and commencedheavingaroundtobring its heading to 85OT prior to submerging. Apoqon submerged. Buoyed line to Apoqon and cast off from submarine. Underway for anchorage. Anchored in berth 73.

2 August

Shifted to anchorage southof berth 378

7 August

Shifted to berth 73.

14 August

Shifted to berth 231-A.

11 August 0935 0950 0950-1600

Underway for Nevada. Arrived at Nevada. Assisted USS Reclaimer CARS-42) alongside

Underway to Rongelap Atoll with LCT-1184 and LCT-1420 in tow.

1610 19 August 0747 0840

Underway for Bikini.

B A K E R (25 J u l y, 0835)

25 July 1155 1830 29 July 0758

30 July 0852-0900 0910-0915 0940-0950 1000-1020 1023-1027 1038 1100

1118 1144 1223 1248-1315 1318 1429 1 August 0730 0815 0857 0912 0935 0958 1017 1030 1108

0840-1620 1645

Rendezvousedwith TU 1.2.7in Mercury area before BAKER detonation. Anchored in Bikini Lagoon. Radiological monitors reported aboard.

20 August 0927 0955-1230 1310

Proceeded to targetarray to retrieve target radiological instruments from ships Naqato (0820-0907). USS New York (BB-34) (1000). and USS Pensacola (CA-24) (1020). These instruments went to Whiting for study.

1354 1417 21 August 0752 0840

Recovered radiological instruments from target ship USS Banner (APA-60). Recovered radiological instruments from target ship Prinz Euqen. Recovered radioloaical instruments from target ship USS Pennsylvania ("38). Recovered radiological instruments from target ship USS Catron (APA-71). Recovered radiological instruments from Gasconade. Recovered radioloaical instruments from target ship USS B A s c o e (APA-65). Recovered radiological instruments from target ship USS Salt Lake City (CA-25). Recovered radiological instruments from Nevada. Recovered radiological instruments from USS Brule (APA-68). Recovered radiological instruments from Independence. Laying to in vicinity of Kenneth Whitinq to transfer all instruments. Crew reached radiological tolerance. Anchored in berth King.

1238 1302 25 August 1330 1730 1830 1845 3 September 1700 1815

Underway for Kenneth Whiting. Arrived at Kenneth Whitinq. Recovered radiological instruments from .&B Recovered radiological instruments from Independence. Recovered radiological instruments from target ship USS Barrow (APA-61). Recovered radiological instruments from Gasconade. Arrived vicinity of Kenneth Whitinq and to transferredradioloqicalinstruments small boat. Ship and crew reached daily tolerance of radioactivity. Anchored in berth K. Bikini.

5 September 1005 1020 1228 1540

7 September 1125 1214 1231

Nevada_.

Anchored in berth 18. Bikini. Proceeded to Pennsylvania. Passed line to Reclaimer moored to portside of Pennsylvania. Assisted Reclaimer. Anchored in berth 18. Bikini. Proceeded to Pennsylvania. Passed line to Reclaimer: moored portside of Pennsylvania and Reclaimer. Made fast to USS Chowanoc (ATP-100) to assist in towingPennsylvania's stern a round. Released by Reclaimer and returned to anchorage. Anchored in berth 18, Bikini. Proceeded to vicinityof New York. Passed line to Reclaimer to assist in holding Reclaimer off side of New York. Cast off from Reclaimer. Anchored in berth 18, Bikini. Proceeded to vicinity of Eneu Island to assist USS Clamp (ARS-33) in towing target ship USS Fallon (APA-81). Mooredportside to Fallon torecover Clamp's towing pendant. Released from duty by Clamp. Anchored in berth 53, Bikini. Underway to vicinity of target submarine USS Skiplack (SS-184). Anchored off Skiplack's starboard quarter keeping slight strain on line to Skiplack it off side of USSWidqeon tokeep (ASR-1). Cast off from Skiplack. Underway for USS Conserver (ARS-39). Proceeding to target vessel YOG-83. Proceeding out of lagoon in tandem with ConservertowingYOG-83. ET-1184. and LCT-1420 to Kwajalein. Entered Kwajalein anchorage and brought YOG-83intoposition for anchoring in berth A-21. Cast off tow wire from Conserver. Anchored in vicinity of berth C. Kwajalein.

8 September

28 1

1115

Monitors from Haven cdme aboard to inspect for radioactivity.

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 ATA-185 8 September

ATA-187

1130

1140 Honltors left after declaring ship radiologically safe. 1555EnroutetoPearlHarbor.

1300 1347

20 September Arrived Pearl Harbor. 1445 1450 1515

ATA-187 Crew S l z e : 33 Blklnl Atoll Arrlval: Before 1 J u l y 1946 Blkinl Atoll Departure: 24 August i946 Shot A B L E Locatlon: 28 nml (52 km) N E Shot B A K E R Location: 24 nml (45 km) E N E Oecontamlnatlon Locatlon: San Dlego Operatlonal Clearance: 6 November 1946 Flnal Clearance: B y 22 November 1946

10 July 0810-0910 0918 0954-1048 1405 1550

Task U n l t a n d Functlon ATA-187 was an auxiliary ocean port ship in TU 1.8.1 (Repair Its functions were salvaging. gency repair work on damaged

tug used asa supand Service Unit). towing. and emertarget vessels.

3 July 0848-1109

1128

Shot A B L E (1 July, 0900) 1 July 1950 2 July 0808 1222 3 July

6 July 0805

0959 1030 1035 1047-1145 1147 1200-1305

1310 1409 1500 1630 1645 1715 1717 1800

6 July 1212

Transferred water to target suharine (SS-305). Underway to LSM-60. Transferred water to LSM-60. Underway totarget ship lJSS LST-545 searching for a piece of t i m b e r ; unable to locate loose. drifting timber. Anchored in berth 168.

skate

Moored alongside target ship (APA-81). Anchored in berth 168.

USS

Fallon

Departed Bikini Atoll for Rongelap Atoll with LCT-1415 in tw.

Anchored in berth 368, Bikini Atoll. 17 July 0800 0836

Underway to assist USS Sioux (ATF-75) in mooring ARD-29. Anchored in vicinity of YF mooring.

1834

Recovered anchor and chain of USS Presque Isle (APB-44) and remained moored alongside overnight. Moored alongside lJSS Alax CAR-6) and commenced loading welding equipment. Cast off lines. underway for target ship USS Arkansas (BE-33) to deliver two camels obtained from USSDixie (AD-14). Alongside Arkansas and delivered camels. Underway for target ship USS Pensacola (CA-24) Moored alongside Pensacola and unloaded equipment. Cast off lines: underway for target ship USS Salt LakeCity (CA-25). Moored alongside Salt Lake City and unloaded equipment; after unloading equipment underway for target ship Naqato to pick up two camels. Picked up camels:underway for target ship Prinz Euqen to pick up two camels. Picked up two camels from Prinz Euqen: underway for target ship USS Pennsylvania (88-38) to pick upone camel. Picked up one camel from Pennsylvania, underway for various ships to deliver camels. Delivered two camels to Pensacola. Delivered one c a m 1 to Salt Lake City. Delivered two camels to USS Nevada (BB36). Underway to assigned anchorage. Anchored in berth 168. Bikini.

.

Underway for target submarine USS Skip$& (SS-184) to supply water.

Anchored at Rongelap Atoll. Departed Rongelap to return to Bikini Atoll. Arrived at Bikini Atoll.

23 July 1254

Underway for Rongelap Atoll.

24 July 1004 1640

Arrived at Rongelap Atoll. Departed Rongelap Atoll.

Shot B A K E R (25 July, 0835) 25 July 0835 1607

Moored at Rongelap Atoll.

30 July 1613

Left Rongelap Atoll.

31 July 0640 1900

In Packard area.

Arrived at Bikini Atoll: spent the day performing routine duties not involving target ships. Anchored in berth 117.

5 August

0855-0946 1121 1337 9 August 1428 1505-1506 1535 1545 1551

7 July 1052

Moored alongside Skiplack and commenced supplying it with water. Secured from trans€erring water. Moored to LSM-60andcomnwncedtransferring water. Secured transferring water. Cast off all lines. Dropped anchor in berth 198.

10 August 0637-0932 1313

282

Moored next to target ship USS Stack 406) to pick up depth charges. Dumped depth charges overboard. Anchored near berthK.

(!X-

Anchored near target vessel LCI-620 to tow i t to the beach. Hauled LCI-620 off beach. LCI-620 tied up alongside starboard side. Underway with LCI-620 alongside shifting berths. Anchored off Bikini Island near LCI-620. Assisted in sinking LCI-620. Anchored in vicinity of berth 168.

license: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/4.0/

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Page:Operation Crossroads 1946.pdf/288

 ATA- 187 10 August 1700 1816 12 August 1549 14 August 0600 0602 0610 0735 0805 0838 1108 1158 1404 1624 15 July 0850-1206 1429

ATA-192

Underway to target ship USS Geneva (APA86) to deliver two camels. Anchored in berth 169.

1229 Moored portside to target ship USS LST125, remaining there 14until August. Underway from alongside LST-125 shifting positions. Moored starboard to portside of LST-125. USS Munsee (ATF-107) underway with 125 in tow. Underway from alongside LST-125. laying to to prepare to put bow line over to stern of LST-125. One bow line made fast to stern of 125 to assist Munsee in controlling tow. G s e e underway towing LST-125 and ATA187 astern. Let ao of bow line. USS >all River (CA-131) opened fire on LST-125. Moored to USS Enoree (AO-69). Anchored in vicinity of berth 147. Anchored in berth 64 Anchored in berth 43

18 August

0840-1024 1041 22 August 0920 0930 0952 1111 1135 1405 1432 1508 1755 1825 1827 1846 24 August 0739 0930

25 August 1550 1635 1655 1850 28 August 0930-1010

3 September 0809

Anchored in berth 223. Anchored in berth 43.

1303 5 September 1000 1030 1133 11 September

Underway to assist USS Current (ARS-22) to replaceanchorontarget ship Crittenden (APA-77). Let go all lines, underway for anchorage, assignment completed. Let go anchor in vicinity of K-19. Kwajaleln. Underway to go alongside target vessels LCI-327 and LCI-332. Moored to starboard side of LCI-332 and commenced dragging themto northwest corner of berth A43. Anchored In berth A-B. Kwajalein. Departed Kwajaleln for Pearl Harbor.

22 September Arrived at Pearl Harbor. ATA-192 Crew S l z e1:5 B l k l nA l t o lA l r r l v a l 1: 9 May 1946 B l k l nAl t o lDl e p a r t u r e : 2 September 1946 27 n m l ( 5 0 km) Shot ABLE L o c a t t o n A
 * pproxlmately

Shot BAKER L o c a t l o n>: 1 4 nml ( 2 6 km) SE O e c o n t a m l n a t l o Ln o c a t t o n : San F r a n c t s c o 1 4 November 1 9 4 6 O p e r a t l o n aCl l e a r a n c e : F l n aCl l e a r a n c e : 10 February 1947

ESE

Task U n i t a n dF u n c t l o n

ATA-192 was an auxiliary ocean tug used as a support ship inTU1.2.7 (Salvage Unit).Its functionsincludedsalvaging.flrefighting. and repairing damaged target vessels.

Underway to assist ATA-124 in mooring target ship USS Huqhes (DD-410). Laying to off ARD-29 waiting undocking of Huqhes. Shot A B L E ( 1J u l y . 0900) Moored to starboardside of ATA-124. Underway, standing ofE ARD-29. 30 June Huqhes clear of ARD-29. Underway for area outside of lagoon 1253 Huqhes moored to mooring buoy. steaming with TU 1.2.7. Underway from Huqhes to assist Enoree. Anchored in berth 44. 1 July Underway to USS Uharton (AP-7) for ponEnteredthechannelandproceededto 1305 toon camels. fight fires on target Ships USS Nlaqara Received two camels from motor whaleboat. (APA-87). USS Bladen (APA-63). and Receivedtwomorecamelsfrommotor Bracken (APA-64). whaleboat en route back to anchorage. Ordered to withdraw to east of target 1416 Anchored in berth 44, Bikini. area. 1611-1629 Radiological officer with monitor aboard to inspectfirefightingequipment for Underway from alongside USS LST-861 with radioactivity. YF-990 intow: standing outof Bikini Anchored In berth Sugar, Bikini Atoll. 1755 Lagoon. Underway with YF-990in tw for Kwajalein 2 July in company with YOG-70. YO-132, and YO0945-1000 Shooting water on target vessel YO-160. 199. 1045-1254 Moored YO-160 t o buoy. 1254 Stood by to assist mooring target ship USS Independence (CVL-22). YOG-70,YO-132, andYO-199orderedto 1528 Anchored in berth Sugar. proceed independently and carry out previous anchorage instructions. 3 July Comenced taking tw alongside. 1039-1433 Assisted in beaching target vessel ARDCCast off maintw wire from YF-990. 13 near Eneu Island. Anchored at Kwajalein Atoll. 1517 Anchored in berth Sugar. Radsafe monitors boardedship to test for radioactivity -- "Results. vessel safe."

5 July 0920 1145

283

Proceeded to target array to Inspect tacget ships. Moored to target vessel LCI-332.

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text:
Page:Journals of the Lewis and Clark Expedition 1804-1806.pdf/106

LEWIS AND CLARK JOURNALS [Feb. 20

[sic] Orders Camp River Dubois, Feb 20h 1804.

[Lewis :]

The Commanding officer directs that During the absence of himself and Cap Clark from Camp, that the party shall consider themselves under the immediate command of Sergt Ordway, who will be held accountable for the good [sic] and order of the camp during that period, and will also see the subsequent parts of this order carried into effect. The sawyers will continue their work until they have cut the necessary quantity of plank, the quantity wanting will be determined by Pryor; during the days they [sic] they shall [sic] each an extra gill of whiskey p day and be exempt from guard duty; when the work is accomplished, they will join the party and do duty in common with the other men. The Blacksmiths will also continue their work until they have completed the articles contained in the [sic]. with which I have furnished them, and during the time they are at work will [sic] each an extra gill of whiskey pl day and be exempt from guard duty; when the work is completed they will return to camp and do duty in common with the [sic].

The four men who are engaged in making sugar will con- tinue in that employment [sic] further orders, and will  [sic] each a half a gill of extra whiskey p day and be exempt from guard duty.

The practicing party will in [sic] discharge only one round each pr day, which will be done under the direction of Sergt Ordway, all at the same target and at the distance of fifty yards off hand. The prize of a gill of extra whiskey will be [sic] by the person who makes the best shot at each time of practice.

Floyd will take charge of our quarte[r]s and store and be exempt from guard duty [sic] our return, the commanding

book (at first in Clark's hand, and then for the most part in that of Sergeant John Ordway, with a few entries by Lewis) covers the dates April 1-October 13, 1804. It is but a fragment; the remaining leaves are missing, save those containing an entry dated Fort Clatsop, January 1, 1806. After the start of the expedition from River Dubois camp, we have incorporated into the text the several entries from this document, designating them as [Orderly Book :]". ED.


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 ATA-192 5 July 1227 1402 1539 6 July 1122-1731

1830

ATA-192

Underway to inspect target ships. Completed inspection. Anchored in berth 74.

1717 1805 29 July 0830-1210

Reentered target areato assist in shlfting target ship Naqato to another berth. Anchored in berth 74.

1354 30 July

7 July 0528-1220 1329 10 July 0725-1236

1624 1850 1905 11 July 1010-1705

1719 12 July 0641-1120 1153 15 July 0810-1040 1137 16 July 0554-0837 0854 17 July 0645-0950 1059-1420 1539

Reentered target area to assist in shifting Naqato to a new berth. Anchored in berth 230. Assisted in shifting target ship Arkansas (BB-33) to new berth. Placed boarding party aboard YO-160 Order to tow it. Proceeded to anchorage. Anchored in berth 74.

1154 1 August 0838-1155

1155 1417

1824-1901 1911

-

Assisted in moving target ship USS Nevada (BB-36) to buoy in target array. Anchored in berth 74. Assisted in moving target ship USS Sara(Cv-3) to new berth. Anchored in berth 74.

25 July 1150 1249-1314 1333 26 July 1735-1827 1859 28 July 1256-1545

Washed down target ships MdvKdnt and Trippe (DD-403). Proceeded to USS &Very Island (AG-76). Anchored in berth Item.

2 August

Shifted anchorage 1,675 yards ( 1 . 5 south of berth 377.

3 August 0859-1023 1056 1143

Sprayed Mavrant. Proceeded to anchorage. Anchored near berth 377.

1305-1631 1640 1717 7 August 0946

Assisted in towing and moving target vessel YOG-83 to new berth. Anchored near berth 131-A.

1220 1309-1341 1359

Assisted in moving Saratwa to new berth. Anchored in berth 251. Assisted in moving target ship USS Crittenden (APA-77) to new berth. Assisted target ship USS Salt Lake City (CA-25) in shifting berths. Anchored in berth 74. Moored to target ship USS Mayrant (DD402). Moored to OSS Palmyra (ARS[T]-3). Anchored in berth 74.

Underway for areaoutside steaming with TU1.2.7.

Towed target vessel KT-816 to beaching area off Eneu Island. Anchored in berth Item.

)an)

6 August

1522 1532-1723 1725 1739 9 August 1759-1827

17 August 0805-1046 1046 1554

Shot BAKER (25 J u l y, 0835)

24 July 1255

Took inspection teams to various target ships. Anchored near berth 377.

in

1851 23 July 1727-1813

Proceeded to anchorage. Anchored near berth 377.

oflagoon.

Anchored in berth Item. Assisted in attempted salvage of sinking saratoua. Anchored in berth Item.

19 August 1028 1135

21 August 0837 1005 22 August 0838-1500

Assisted in beaching damaged target ship USS Huqhes (DD-410). Anchored in berth Item. Assisted in towing and beaching target submarine USS Dentuda (58-335).

Sprayed Trippe. Proceeded to anchorage. Anchored near berth Item. Began assisting in decontaminating HRIrant. Radiological technicians boarded nayrant. then returned. Sprayed HaYKant. Anchored near target ship USS Stack (DD406). Proceeded to Hayrant. Washed down Mayrant with saltwater. Proceeded to anchorage. Anchored in berth 74. Moored to target ship USS Cortland (APA75). Anchored in southern edge of berth 5. Assisted in turning target ship USS Casconade (APA-85) around to clear fouled anchor chain. Proceeded to USS Wildcat (AW-2). Anchored in berth 18.

Stack.

Hoored next to Departed for Kwajalein Atoll with in tow.

Stack

Anchored Stack at Kwajalein. Anchored in berth C. Kwajalein Atoll. Assisted in towing and anchoring target ships Nevada and Prinz h q e n before departing Kwajalein Atollfor Bikini Atoll.

23 August

Arrived at Bikini Atoll.

24 August

Took Gasconade Atoll.

In

tow

for

Kwajalein

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 ATA-192

ATR-40

2 July 0800-1200 Assisted in clearing damaged target ships from target array. 1133 Witnessed sinking of target ship Sakawa. 1420 Proceeded to anchorage after standing by in target array while ATA-192 moored target vessel YO-160. in berthJig. 1501Anchored

26 August 0830AnchoredGasconadeatKwajalein. 0852 Proceeded to USS Bexar (APA-237). 1353DepartedforBikini. 27 August 1019MooredalongsidetargetshipUSSBanner (APA-60). 1326 En route to Kwajalein with Banner in 28 AugustEnroutetoKwajaleln.

tow.

6 July (CA- ship target 0723-0937 Towed

25) to its new berth. 1032-1355 Assisted USS Achomawi (ATF-148) in towing target ship USS Pensacold (CA-24) to new berth. 1457-1641 Reanchored Salt Lake City twice. 1706Anchoredinberth139.

29 August 0850AnchoredBannerinberth51,Kwajaleln. 1005Mooredinassignedanchorage. 30 AugustDepartedforBikini.

31 August 0736 Anchored in berth 220, Bikini Atoll. 2 September 0750 Moored next to target vessel LCT-1013. 1520LeftBikiniAtollforKwajaleinAtoll with target vessels LCT-1013 and LCT-705 in tow. 4 September 0734-1007 Anchored KT-1013 and KT-705 at Kwajalein. 1047 Underway to anchorage. 1109 Anchored in assigned anchorage.

7 July 1113-1251 Assisted in towing target ship USS Dawson (APA-79). 1310Anchoredinberth139. 9 July

1343MoorednexttotargetshipUSSHuqhes (DD-410). 10-11 July Moored next to

Huqhes.

12 July 0834 Huqhes underway 17 July 0700-0917 Assisted ATA-192 in moving target ship USS Crittenden (APA-77) to new position. 1202-1413 Assisted in moving target ship Naqato. in berth139. 1516Anchored

7 September 1345-1459 Towed target vessel LCT-1078 to berth. 8 September Left Kwajalein for Pearl Harbor.

21 September Arrived at Pearl Harbor.

20 July 0730-1045 Assisted in anchoring YO-160. 1111 Anchoredinberth139.

ATR-40

Shot BAKER (25 July, 0835)

Crew Slze: 68 Blklnt Atoll Arrlval: 21 May 194b Blkinl Atoll Departure: 23 August 194b Shot ABLE Locatlon: Approxlmately 2 7 nml ( 5 0 km) E Shot BAKER Locatlon: 1 1 nml (20 km) SE Decontamlnatton Locatlon: San Franclsco Operatlonal Clearance: 17 December 1946 flnal Clearance: 21 December 1946

24 July 1325 Underway for area outside of lagoon, steaming with TU 1.2.7.

Task Unlt and Functlon ATR-40 was a rescue ocean tug used as a support 1.2.7 (Salvage Unit). Its functions ship in TU were salvaging. firefighting, and repair work on damaged target ships. Shot ABLE ( 1 July, 0900) 30 June 1257 Underway for area outside of lagoon, steaming with TU 1.2.7.

25 July 1137 Anchored in berth Oboe. Bikini Atoll. 1627-1645 A radiological monitor came aboard. 1720Anothermonitorcameaboardunderthe direction of Director of Ship Materials. 26JulyUnderwaytoassist USS Reclaimer(ARS-42) beach Huqhes, then anchored in unidentified special anchorage near Eneu Island. 27 July 0905-1115 Obtained Geiger readings and washed down Huqhes. 1245-1414 Towed target ship USS Fallon (APA-81) to beaching area. Oboe. 1528Reanchoredinberth

1 July 0904Feltadistinctshock. 28JulyShiftedtounidentifiedspecialberth. on 1313-1430 Entered the harbor and fought a fire target ship USSSaratwa (CV-3). 29 July 1437 Observed an explosion on target ship 1125-1430 Washed d m target ship USS N e w York's Independence (CVL-22). (BI3-34) weather surfaces using three mon1537WentalongsideUSSCurrent(ARS-22) for itors. a Geiger check: results were negative. 1630Anchoredinunidentifiedspecialberth. 1816 Anchored in berth Jig. Bikini Atoll.

285

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 ATR-40

30 July 0731-1312 1340 31 July 1103 1155 1215-1530 1752 2 August 0953

ATR-87

29 August 0825-0908

Washed down New York's weather surfaces. Anchored in unidentified berth. Disposed of all rubbish overboard at the lagoon's entrance. Obtained another readingof New York. Foamed New York. Anchored in berth Oboe.

8 September

1544 7 August 0852-1110 1519-1713 1725 8 August 0810-1400

1710

1658 10 August 0832-1634 1105

ATR-87

Towed ATR-87 to a new berth and anchored next to it. Took readings of target ship USS Pennsylvanla (BB-38) and washed it d m twlce. Afterwards washed d m New York. Anchored in unidentified berth.

Crew S l z e : 69 Blklnl Atoll Arrlval: Before 13 June 194b Blkinl Atoll Departure: 1 September 1946 Shot ABLE Locatlon: Approxlmately 27 nml (50 km) E Shot BAKER Locatlon: 35 nml (65 km) SE Oecontamlnatlon Locatlon: Puget Sound Operatfonal Clearance: 13 December 1946 Flnal Clearance: By 4 January 1947

Washed down Pennsylvaniaand Dawson. Washed down Pennsylvania again. Anchored in berth 139.

Task Untt and Functlon

ATR-87 was a rescue ocean tug used as a support ship inTU1.2.7 (Salvage Unit). Its functions were salvaging. repair work. and firefighting on damaged target vessels.

Washed down target ship USS Nevada (BB36). Anchored in unidentified berth.

Shot ABLE ( 1 July, 0900)

9 August

0813-1618

30 June 1258

Provided pumps to Pennsylvania to pump seawater through portable eductors. Anchored in unidentified berth.

1 July 1425-1446 Conducted pumping operations on Pennsylylnfa. Anchored, in berth6.

1527

12 August

0935-1120 1521 14 August 19 August 0728 0931 21 August 1025 1158-1217 1217

1645 A diver inspected the bottom of USS Palrpyra (ARS[Tl-3). Anchored in unidentified berth.

1805 1850

Shifted to berth9.

2 July 0926-1017

Moored next to target ship USS Muqford (DD-389). Underway for Kwajalein with nuqford in tow.

1230-1445 1544 5 July 0903-1332

Anchored Muqford at Kwajalein. Proceeded to target ship USS Bladen (APA63) to transfer working party. Departed for Bikini.

22 August 1444

Anchored in berth 20, Bikini.

23 August

Towed target submarine USS Skate (SS-305) from Bikini Atoll to Kwajalein Atoll.

1423 6 July 0745-1128

1202 7 July 0845-1134

24 August 1931-1943 2016

Departed Kwajalein en routeto Pearl Harbor via Johnston Island with YF-991 in tow.

21 September Arrived Pearl Harbor.

6 August

0720-1523

Three radsafe monitors aboard to check ship. ship cleared of radiological activity.

1225 Anchored Skate at Kwajalein. Anchored in assigned berth.

9 July 0720-1115

25-21 August At Kwajalein: worked around Pennsylvania for about 3 hours on 25 August and about 1 hours on 26 and 27 August.

286

1129

Underway for areaoutside steaming with TU 1.2.7.

of

lagoon,

Arrived at target ship USS Pennsylvania (88-38) and began fighting fires. USS Current (ARS-22) alongside to port: checking firefighting equipment for radioactivity. Arrived at target ship USS Cortland (APA75) and began fighting fire. Withdrew from the area. Anchored in berth King, Bikini Atoll. Assisted pendence Standing 79). Anchored

in towing target ship USS Inde(CVL-22). off target ship USS Dawson (APAin berth King.

Towed target vessel ET-1114 and moored i t next to target vesselET-1115. Anchored in berth 156. Assisted towing target ship USS Nevada (88-36) to new anchorage. Anchored in berth 155. Shifted berths of target ships USS W i n d (DD-404) andUSS Crittenden (APA-77). Anchored in berth 156. Assisted moving Independence to new berth. Anchored in berth 155.

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 ATR-87

ATR-87

1 1 July 0744-1450 1814 12 July 0800-0935 1030 1100 1120

Assisted shifting berths of target ships USS Brule (APA-66) and USS Fallon (APA81). Anchored in berth 156. Standing by as target ship US9 Huqhes (DD-410) anchored. USS Gasconade Underway to target ship (APA-85). Proceeding to anchorage. Anchored in berth 114.

1424-1455 1459-1512

Resumed washing Gasconade. Radiologicalmonitorsreboarded

1516-1543 1549 1631

Washed down Gasconade. Underway Erom Gasconade. Anchored in unidentified berth.

7 August 0805-0955 1304-1528 1545-1612 1652

11 July 0923-1438 1452 23 July 0600-0905 1451-1140 1818

Assisted towing and shifting berths of target ships USS Salt Lake City (CA-25) and Nagato. Anchored In berth 156. Anchored the stern of target ship Brlscoe (APA-65). Photographs were taken of target submarine USS Skate (SS-305) and Independence. Anchored in berth 156.

25 July 1139 26 July 1541 1824

28 July 1513-1531

1840 29 July 1647-1121 1840 30 July 0855-1238 1238-1300 1458 31 July 0955-1105

2 August 0957-1505

6 August 0818-0933 1220-1345 1412-1422

1443

A radiologlcal monitor reported aboard. Underway for areaoutside of lagoon, steaming with TU 1.2.7.

1601 1655 20 August 1020

Anchored at Bikini Atoll in berth Nan.

1120 Underway to stand clear of berth while USS Reclaimer (ARS-42) beached Huqhes. Anchored near berthJig.

22 August 1250

Washeddown Huqhes withfirefighting monitors, then stood by while ATA-180 beached target submarine USS Dentuda (SS335). Anchored near berth 377. Washed down Huqhes and target submarine USS Dentuda (SS-335). Anchored in unidentified berth.

1532

Standing by in vicinity of Dawson. Proceeded to anchorage. Washed down Dawson and took Geiger readings. Anchored in berth 16. Uoored alongside Nevada. Connected firehoses to a forward monitor in ordertowash down the decks of Nevada. Disconnected all hoses. Anchored in berth 16. Moored next to target ship USS T r i p w (DD-403). Departed Bikini Atollfor Kwajalein Atoll with Trippe in tow. Anchored T r i p w at Kwajalein and then got underway to assigned anchorage. Departed for Bikini.

24 August

Towed APL-27 to Kwajalein Atoll.

27 August 1116

Returned to Bikini Atoll

1055 30 August 0906

Laid a blanket of chemical foam on

Washed d a m Pensacola. Moored alongside ATR-40in berth 6.

Returned to Bikini Atoll.

Washed down target ship USS Pensacola (CA-24) with firefighting monitors. Took Geiger readlngs on Pensacola. Anchored in berth Nan.

e-

1303

Gaz-

Washed down -B and took Geiger readlngs. Washed d a m Bracken. Radiological monitors were on board Bracken. Anchored in berth 156.

23 August 1538

28 August 1010

cola. 1500

9 August 0832 0931 1227-1420

10 August 0824 0830

Shot BAKER (25 J u l y, 0835)

24 July 1224 1248

8 August 1325-1500 1835

e.

Moored next to target ship USS Mustin (DD-413). Underway for Kwajalein Atoll with Mustin in tow Anchored Mustin at Kwajalein, then proceeded to anchorage. Departed for Bikini.

Anchored in berth Nan. 31 August 1045

Returned to Bikini Atoll.

Towed by ATR-40 to new berth How. Washed d a m target ship USS Bracken (APA64). Washed down Gasconade. Radiological monitors boarded Gasconade.

1 September 1507 1553

287

Hoored next to target vessel KT-1112. Left BikiniAtoll for KwajaleinAtoll with target vessels ET-1112 and K T - 8 1 8 in tow.

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 USS Banner (APA-60)

ATR-87

US’S BANNER (APA-60)

3 September 0814-1208 Anchored KT-1112 and LCT-818 in Kwajalein. 1242 Moored next to ATR-40.

Crew S i z e : 104 B l k l n lA t o l lA r r l v a l : 28 May 1946 B l k l n Al t o l O l eparture: 27 August 1946 Crew L o c a t l o nf o r Shot ABLE: USS Bottlneau(APA-235) Crew L o c a t l o n f o r Shot B A K E R : B o t t i n e a u Shot ABLE L o c a t l o n1:, 2 5 0y a r d s( 1 . 1 km) SE Shot BAKER Locatton:2,049yards(1.9km) W S c u t t l e d1 6F e b r u a r y1 9 4 8 .n e a rK u a j a l e l nA t o l l

4 September

1345-1400 8 September

Radsafe inspection party boarded; ship declared radiologically safe. Departed Kwajalein for Pearl Harbor via Johnston Island.

Task U n l t a n dF u n c t l o n

20 September Arrived Pearl Harbor.

Bannee, an attack transport, was a target vessel during CROSSROADS. Its crew was evacuated before each shot. It served in Transportation Division 91 in TU 1.2.6 (Merchant Type Unit).

USS AVERY ISLAND (AG-76) Crew S l z e : 483 B l k l n Al t o l Al r r l v a l S
 * prlng

1946 B i k t n Ai t o l D l eparture: 7 August 1946 Shot ABLE Locatlon:15nml(28km) SE, A r e aF e d e r a l nml(28 km) SE, A r e aF e d e r a l Shot BAKER L o c a t l o n :1 5 D e c o n t a m i n a t i o nL o c a t l o n : San F r a n c l s c o O p e r a t l o n aCl l e a r a n c e : 3 December 1946 F l n aCl l e a r a n c e : By 4 January 1947

Shot ABLE ( 1J u l y ,0 9 0 0 ) 30 June

1217Completedabandoningship.

Task U n l ta n dF u n c t l o n

Avery Island, classified as a mlscellaneous ship, was used as a support ship TU in 1.1.2 (Instrumentation Unit). Its primary function was furnishing laboratory and base facilities for the Instrumentation Unit and Electronics Croup. It aided in stillphotography.telemeteringequipmentfor measuring ionized clouds, and infrared measuring on target vessels. Shot ABLE ( 1J u l y ,

OgOO)

2 July 1610 Commanding officer with four officers and sixten enlistedmen returned to Banner to inspect for damage: declared cadiologfcally safe. 1840 Twenty-two additional men returned aboard from Bottlneau. 3 July

1135 Remainder of the crew returned to Banner.

A 4 July damage report stated there was no major damage 2). warranting any special inspection (Reference 9 July 1100 Jettisoned one FI-2 Navy aircraft.

30 June 1658 Underway for area outside of lagoon.

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

1 July

23-24 July Crew evacuated to Bottineau.

1545 Anchored

in berth 5 4. Bikini Atoll.

2 July 1251 Changed anchorage

25 JulyShipheavilycontaminated from thedetonation. Crew remained aboard Bottineau.

to berth 108-A. 8 AugustCrewtransferredto

USS Bexar(APA-237).

3-23JulyRoutineactivities. 9 August four officers,and 0845-1000Commandingofficer, nine enlisted men boarded Banner with Dicector of Ship Material representatives to inspect for damage: inspection party -e returned to.B

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

24 July 1657

Underway for area outside of lagoon.

25 July Anchored in berth B. Bikini Atoll.

Banner deck log gives no evidence that the crew reboarded after9 August.

Underway for area Hercury by order of JTF 1.

11 August Commanding officer reported no major damage or flooding that required special inspection.

29 July 1109

Anchored in berth King, Bikini Atoll.

30 July

Shifted to berth 20.

2 August

Shifted to berth Baker.

USS Georqe Clymer (APA17-19 August Crew dispersed to 271, USS Haven (AH-12)- USS Fall River (CA-131). USS Dixie (AD-14). remanned targetship USS Geneva(APA-86).and 3 B e for transportation to the U.S. West Coast for reassignment.

7 August 0935

Departed Bikini Atoll for San Francisco.

1443

28 July

1710

23AugustTopsideaverage ence 7 ).

288

0.33 R/24hours(Refec-

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 USS B a r t o n ( D D - 7 7 2 )

USS Banner (APA-60)

Arrived August

27 AugustDecommissionedandtowedtoKwajaleinby28AugustDecommissioned. ATA-192 for radiological tests. 1OctoberTopsideaverage0.22R/24hours(Refer29 7). 1 OctoberTopsideaverage0.21R/24hours(Reference 7).

USS BARTON (00-772) Crew S l z e : 2bO B l k l nA l t o lA l rrlval: 15 June 194b B l k l n l A t o lDl e p a r t u r e1: 0A u g u s1t 9 4 6 Shot ABLE L o c a t l o n1: 0n m(l1 9 km) ENE Shot BAKER L o c a t l o n1: 0n m(l1 9 km), ENE D e c o n t a m l n d t l o Ln o c a t l o n : San F r a n c l s c o O p e r a t l o n aCl l e a r a n c e : 2 November 1946 18 December 1946 F i n aCl l e a r a n c e :

USS BARROW (APA-b1) Crew Slze: 114

30 May 1946 26 August 1946 Crew L o c a t l o nf o S r hot ABLE: USS Bexar(APA-237) Crew L o c a t l o nf o S r hot BAKER: Shot ABLE L o c a t i o n1:, 3 7 5y a r d s ( 1 . 3 km) N km) W Shot BAKER L o c a t i o n : 2,075 y a r d s( 1. 9 S c u t t l e d 11 May 1 9 4 8 ,n e a rK u a j a l e l nA t o l l

B l k l n l A t o l lA r r l v a l : B l k l n l A t o lDl e p a r t u r e :

Bexar

Task U n l ta n dF u n c t l o n

The destroyer Barton was a support ship in Destroyer Division 71. TG 1.7 (Surface Patrol). It functioned as a survey ship throughout the operation; therefore special oceanographic and radiological equipment was installed.

T a s k U n l t andFunctlon

Barrow. an attack transport. was a target vessel during CROSSROADS. Its crew was evacuated before I n Transportation Division each shot. It served 92 of TU 1.2.6 (Merchant Type Unit). 0900)

July

JShot u l y, ABLE ( 1

30 June 1130Crewevacuatedto

2

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

1

B s.

2 July 1539 The commanding officer with a Geiger monitor and Team A boarded and started the inspection. 1700 ship The declared was free of B came aboard. 0744 radioactivity and Team

0601

Anchored in berth 367-A, Bikini Atoll Changed anchorage to 251-A.

3 July

C andDandtheremainderofthe

3JulyTeams

1027 1030 1058

Sightedvariousfiresonunidentified target ships after detonation. commenced taking soundlngs. Entered Bikini Atoll Channel. Started taking oceanographic soundings. Leftthelagoonforareawestofthe atoll.

board. Received 1815 on back came crew

"23 alongside up pick to oceanographic survey party and water samples.

8 July 1515 Jettisoned an FF-2 airplane condemned by CROSSROADS group. air

8-14 oceanographic Took Julysoundings. 14JulyReturnedtoberth147-W.BikiniAtoll.

9 July 1420Jettisonedanothertestplane.

Shot BAKER (25 J u l y, 0835)

13 July 0855AnF6Faircraftwasdeliveredforshot BAKER.

24 July 1210Underwayforpatrolareaoutside goon.

O E la-

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

24 July 1040 Barrow was secured and all personnel were evacuated toB e 3 e.

25 July 0941 Began the safety survey of the lagoon. 1112 Departed the lagoon for a radsafe patrol station west of the atoll.

25 JulyBarrowsustainedheavyradiologicalcontamination.Thecrewremainedaboard -B e until reassigned to other units.

26 July 0348 Anchored in berth

342, Bikini Atoll.

28-29 July Took oceanographic soundings. The ship was secured until an unknown date. There was one inspection on9 August for 1 hour, according to an 29 July inspection report (Reference 2). Anchored. 1135 1433 Shifted berths. 23AugustTopsideaverage0.30R/24hours(Reference 7). 30 July 1431 Underway to fuel, then anchored in berth 26 August Towed to Kwajalein by VSS Achomawi (ATP147W. 148) for radiological studies and observat ion. 147E. 31JulyShiftedtoberth 27 August Kwajalein. Arrived at

2 August berth Shifted to

289

E.

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 USS B a r t o n ( D O - 7 7 2 )

10 August 1112

USS Benevolence ( A H - 1 3 )

water samples from the lagoon after the detonations. LCVP drones were directed to desired sample areas to obtain water samples after an adequate Geiger reading had been transmitted to controllers. When the mission was completed, drones returned to Beqor where they were washed down with hoses by & B e and boarded by a safety officer. When safe, Underwater Demolition Team 3 (UDT-3) boat crew took over and transferred water samples.

DepartedBikiniAtolltorendezvouswith Destroyer Squadron 1 en route to Pearl Harbor. USS BAYFIELD (APA-33)

Crew Slze: 428 BlklnA l tolA l rrlval: 1 June 1946 B l k l nA l t o lD l eparture: 3 August 1946 Shot ABLE L o c a t l o n : 25 nml(46km) NE Shot BAKER L o c a t l o n1: 5 nml ( 2 8 km) ENE D e c o n t a m l n a t l o Ln o c a t l o nP: u g eSt o u n d O p e r a t l o n aCl l e a r a n c e : 7 December 1946 F l n aCl l e a r a n c e1: F 0 e b r u a r 1y 9 4 7

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

1 July 0544 0115 1015

Task U n l ta n dF u n c t l o n

Bavfield. an attack transport. was a support ship in Transportation Division 31. TU 1.3.1 (Transport Unit). Its function was the evacuation and berthing of personnel from target vessels.

1130 1215 1528 1610

Underway en route to areaFranklin. On station, AreaFranklin. maneuvering to keep on station. Wlntaining station off Bikini Atoll for drone boat operation. Underway for assigned anchorage off Eneu Island, Bikini. Anchored off Eneu Island. Underway to berth38, Bikini. Anchored at Bikini Atoll in berth 37.

Shot ABLE ( 1J u l y ,0 9 0 0 ) Shot BAKER ( 2 5J u l y ,0 8 3 5 )

30 June 1521Underwayto evacuate targetvessel crews to area outside of lagoon with TG 1.3. 1 July 1128Anchored

to berth 211.

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

29 July 0625

Underway with TG 1.3 with personnel from various target ships for areaeastsoutheast of surface zero. Anchored in berth A, Bikini Atoll and started disembarking teams and personnel of target ships.

30 July

Shifted to berth219.

2 August

Shifted to berth318.

3 August 1600

Underway to reach station (Area Franklin) designated for BAKER day. 0109 Arrived on station for BAKER day. 0840 Steaming toassignedstationoff Eneu Island, Bikini. 1054 Anchored in area off of Eneu Island.

in berth 298.

2 July Shifted

24 July 1525

25 July 0540

Departed Bikini Atoll Atoll.

for

28 July 1630

Shifted to berth Jig.

30 July

Shifted to berth 31.

2 August

Shifted to berth D.

3 August 1012

Departed Bikini Atoll for Pearl Harbor. USS BENEVOLENCE

Kwajalein

4 August

Arrived at Kwajaleln.

8 August

Departed Kwajalein for San Francisco. USS BEGOR

Two LCVP drones were monitored by boarding parties after detonation and were found very radioactive. Water samples collected were left aboard drones and recovered 2-1/2 hours later. Forty water samples (5 gallons [18.9 liters] each) were collected on BAKER Day.

(APD-127)

Crew Slze: 155 B l k l n lA t o l lA r r l v a l : 5 June 1946 B l k l nA l t o lD l eparture: 3 August 194b Shot ABLE L o c a t l o n 1: 5 nml ( 2 8 km) ESE Shot BAKER L o c a t l o n :1 5 nml ( 2 8 km) SE. A r e aF r a n k l l n D e c o n t a m l n a t l o Ln o c a t l o n : San Dlego Operatlonal Clearance: 30 September 1946 F l n aCl l e a r a n c e : 25 January 1947 Task U n l ta n dF u n c t l o n

was a high-speed transport used as a support ship in TU 1.1.3. (Drone Boat Unit). Its function was the support of drone boats that collected

(AH-13)

Crew Slze: 673 B l k l n lA t o l lA r r l v a l : 22 May 1946 B l k l nA l t o lD l eparture: 25 August 1946 Shot ABLE L o c a t l o n : 21 nml ( 3 9 km) NNE Shot BAKER L o c a t l o n 1: 6 nml ( 3 0 km) E D e c o n t a m l n a t l o nL o c a t l o n : San F r a n c l s c o O p e r a t l o n aCl l e a r a n c e : 24 September 1946 F l n aCl l e a r a n c eA: p r l l 1947 T a s kU n l ta n dF u n c t l o n

Benevolence was a hospital ship used as a support ship In TU 1.8.4 (Medical Unit). Shot ABLE ( 1J u l y ,0 9 0 0 )

30 June 1519Underway TG 1.8.

for areaGraham.steamingwith

1 July 1845 Anchored

in berth 268, Bikini Atoll.

290

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 USS Benevolence ( A H - 1 3 )

USS Bladen ( A P A - 6 3 )

17 August 1310

2 July 1536Anchoredinberth145.

Began personnel disembarkation fromtarget ships USS Barrow (APA-61). USS Crittenden (APA-77). and USS Banner (APA-60). and support ship USS Georqe Clvmer (APAJuly 27).

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

24 1518 Underway goon.

for area Packard

30 July 0751 Anchored

outside oflaAugust

19 berths.

Shifted

in berth 145, Bikini Atoll. 1530 Underway

for Kwajalein Atoll.

August Arrived 224 August berth Nan. Shifted to

7 August

at Kwajalein.

29 August

Shifted to berth145.

Departed Kwajalein €or San Pedro, California. via Pearl Harbor.

to berth 34A.

14AugustShifted

USS

25AugustDepartedforPearlHarborviaKwajaleln Atoll.

ELADEN (APA-63)

Crew Size: 111 B l k l n lA t o l lA r r i v a l : 31 May 1946 B l k l nA l t o lD l eparture: 20 August 1946 Crew L o c a t l o nf o rS h o t ABLE: USS Henrlco(APA-45) Crew L o c a t l o nf o rS h o t BAKER: Henrlco Shot ABLE L o c a t l o n2:, 8 1 0y a r d s( 2 . 6 km) SE Shot BAKER L o c a t l o n 2: , 4 8 0y a r d s( 2 . 3 km) SW O e c o n t a m l n a t l o nL o c a t l o n : San F r a n c l s c o O p e r a t l o n aCl l e a r a n c e : 6 November 1946 F i n aCl l e a r a n c e : 21 December 1946 Decomnlssloned 26 December1946. N o r f o l k ,V l r g l n l a

USS BEXAR (APA-237) Crew S f z e : 293 B l k l n lA t o l lA r r l v a l : 10 June 1946 B l k l nA l t o lD l eparture: 23 August 1946 Shot ABLE L o c a t l o n : 25 nml(46 km) NE Shot BAKER Locatlon:15nml(28 km) ENE Decontarnlnation Locatlon: San Dlego Operatlonal Clearance: 29 January 1947 1 February 1947 F l n aCl l e a r a n c e :

T a s kU n l ta n dF u n c t l o n

Bladen. an attack transport, was a target vessel during CROSSROADS. Its crew was evacuated before each shot. It served in Transportation Division 93 of TU 1.2.6 (Merchant Type Unit).

F u n c t l o na n dT a s kU n l t

Be&?.

an attack transport, was a support ship in Transportation Division 31 of TU 1.3.1 (Transport Unit). Its function was to house target vessel crews during thedetonations.

S h o tA b l e( 1J u l y ,0 9 0 0 ) Shot ABLE ( 1 J u l y ,0 9 0 0 )

30 June 1530 Underway for area outside of lagoon after embarking target vessel personnel, steaming with n; 1.3. I July 1739 Anchored in berth 297. Bikini Atoll. 2 July 1218Shifted to berth140. 1900 Completed disembarking target ship personnel

.

16 July 1320-1420

1 July 1420-1433 1730

ATA-192 fought a fire aboard Bladen. Bladen cleared for boarding.

2 July

The ship's crew reboarded Bladen.

13 July 0900

The commandinq officer. comenced a personnel and upper decks inspection of^ the ship.

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

24 July Target ship YCG-83 came alongside to fuel. -eB

25 July 1137 1230

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

24 July 1526 Underway after embarking target vessel personnel for areaFranklin. steaming with TU 1.3.1.

28 July 1552-1602

30 July 0649

29 July Anchored in berth 278. Bikini Atoll.

2 August

Shifted to berth351.

Crew evacuated to Henrico. Bladen cleared for boarding. Geiger readings showed Bladen at 0.0002 R/24 hours (Reference 6.p. I-7-B). Medical research unit removed test animals to USS Conserver (ARS-39). The crew returnedaboard

30JulyShifted

ship.

to berth 246.

2 AugustShiftedtoberth331. 3 AugustShifted

to berth 355. 7 August

Shilted toberth262.

7 AugustShiftedtoberth278.

20AugustDepartedfor

291

Kwajalein Atoll.

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 USS Bladen (APA-63)

USS Bounttful ( A H - 9 )

28 July 1552 Anchored in berth 357, Bikini.

21 AugustArrivedatKwajalein.

27AugustRadiologicalclearanceissued. 30 July

30AugustDepartedforPearlHarbor.

1000UnderwayforPearlHarborviaRongelap Atoll.

BLISH, JOHN; see USS JOHN BLISH(AGS-10) USS BOTTINEAU (APA-235) USS BLUE

RIDGE (AGC-2)

Crew S i z e : 299 B l k l nA l t o lA l rrlval: 7 June 1946 B l k l n Al t o l D l eparture: 10 August 1946 Shot ABLE L o c a t l o n>: 2 1 nml (39 km) ENE Shot BAKER L o c a t l o n : 20 nml (37 km) E D e c o n t a m l n a t l o Ln o c a t l o n : San F r a n c l s c o O p e r a t l o n aCl l e a r a n c e1:9 December 1946 F l n aCl l e a r a n c e : 2 7 December 1946

Crew S l z e : 534 B l k l n lA t o l lA r r l v a l : 29 June 1946 B l k l n Al t o l D l eparture: 30 J u l 1y 9 4 6 Shot ABLE L o c a t l o n1: 8n m l (33 km) NNE Shot BAKER L o c a t l o n1: 0n m(l1 9 km) ESE D e c o n t a m l n a t l o Ln o c a t l o nL: oA s ngeles F l n aCl l e a r a n c e : By 22 November 1946

Task U n l ta n dF u n c t l o n

Bottineau, an attack transport. was a support ship in Transportation Dlvlsion 31of TU 1.3.1 (Transport Unit). Its €unction was to house target vessel crews during the operation.

T a s kU n l ta n dF u n c t l o n

Blue Ridqe. an amphibious force flagship, was a support ship in TU 1.3.3 (Observers Unit). Its function was to carry observers for the operation and to provide comnunications.

Shot ABLE ( 1J u l y ,0 9 0 0 ) Shot ABLE ( 1 J u l y, 0900)

30 June 1559 1 July 1559

2 July 0930

30 June 1452 Underway for area outside of lagoon after embarking personnel from target vessels. 1 July 299. Bikinl Atoll. 1730 Anchored in berth

Underway with TU 1.3.3 for area outside lagoon. Anchored in berth 207. Bikini Atoll.

2 July 1421 Shifted anchorage to berth 224. Shifted t o berth 21. Shot BAKER (25 J u l y, 0835)

5 July

1701

Underway for Kwajaleln Atoll.

24 July 1450 Underway for area Marmon. outside of the lagoon. steaming with Divisions One and Two of TG 1.3.

6 July

1005 1508

Arrived at Kwajalein to detach several passengers. Left for Majuro Atoll.

30 July

0633 Anchored in berth 261. Bikini Atoll.

7 July 1134

Anchored at Majuro Atoll.

8 July 1003

Departed for Truk Island.

14 July

Arrived at Truk Island for a brief stay.

15 July 0621

Departed Truk Island for Guam.

17 July 1017

Arrived at Guam.

18 July 1806

Departed for Kwajalein Atoll.

23 July 1118

Anchored in berth K-20. Kwajalein Atoll.

2AugustShiftedtoberth356. 7AugustShiftedtoberth261. 10 August 0528DepartedBjkiniAtollforPearlHarbor. USS BOUNTIFUL (AH-9) Crew S l z e : 585 BlklnA l tolA l rrlval: 18 June 1946 B l k l n Al t o l D l eparture: 27 J u l y 1946 Shot ABLE L o c a t l o n : 23 nml(43 km) NE Shot BAKER L o c a t l o n1: 9n m(l3 5 km) E O p e r a t l o n aCl l e a r a n c e : 27 September 1946 F l n aCl l e a r a n c e : 27 September 1946 Task U n i t a n dF u n c t l o n

Shot BAKER (25 J u l y, 0835)

24 July 1030UnderwayforBikiniAtoll. 25 July 1741 Anchored in berth 383, Bikini Atoll.

Bountiful, a hospital ship. was a support ship in TU 1.8.4 (Medical Unit). Shot ABLE ( 1J u l y .0 9 0 0 )

30 June 1449 Left the lagoon for area outside of the atoll. steaming with TG 1.8.

292

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 y

USS Bountiful ( A H - 9 )

USS Bracken ( A P A - 6 4 )

4-26AugustAnchoredatBikini,conductingroutine activities.

1 July 1857Anchoredinthelagoon. Shot BAKER (25 July,September 0835) 27Departed Bikini Pearl Harbor Atoll for

via Kwajalein Atoll. 24 July 1530LeftBikiniLagoonforareaoutsidethe steaming with atoll. TG 1.8.

USS (APA-64) BRACKEN

Crew S l z e :

27

108 Blklnl Atoll Arrlval: Before 30 June 1946 Blklnl Atoll Departure: 19 August 1946 Crew Locatlon for Shot ABLE: USS Henrlco (APA-45) Locatlon for Shot BAKER: Vartous unlts ABLE Locatlon: 2,010 yards (1.8 km) S Shot BAKER Locatlon: 1,475 yards (1.3 km)SSE 10 March 1948, off Kwafaleln Atoll

1600 Departed Bikini Atoll en route to Pearl Harbor. Crew4 August 1040 Moored Pearl atHarbor. Shot 13 September Decommissioned at Seattle, Washington. Sunk

Task Unlt and Functlon USS

BOWDITCH (AGS-4)

Bracken was an attack transport used as a target vessel during CROSSROADS. Its crew was evacuated before ABLE. It served in Transportation Division 93 of TU 1.2.6 (Merchant Type Unit). Bracken was equipped by the Electronics Group with Celger counters coupled to radio transmitters. It also carried water-pressure-telemetering channelsto measure ionized clouds.

Creu S t z e : 296 BIklnl Atoll Arrlval: 5 March 1946 Blklnl Atoll Departure: 27 September 1946 Shot ABLE Locatlon: 23 nml (43 km) N E Shot BAKER Locatlon: Rongelap Atoll Decontamlnatlon Locatlon: San Franclsco Operatlonal Clearance: 20 November 1946 Flnal Clearance: 20 November 1946

Shot ABLE (1 July, 0900)

Task Unlt and Function

30 June 1145 Barditch was a surveying ship used as a support ship In TU 1.8.5 (Survey Unlt). Before task force arrival, Bowditch made a survey of the atoll and lagoon t o prepare anchorage charts to be used in the operation. Enewetak and Rongelap atolls were 1 July also surveyed. Its function during the operation was to survey the biological effects of the tests on fish and wildlife. It also conducted oceano1402 graphic surveys to determine the character of currents in and around the atoll. 1403-1435

Shot ABLE ( 1 July, 0900) 30 June 1601 Underway from Rongelap Atoll for area Packard.

1412

1 July

1535

0910Joined TG 1.8. 1847 Anchored in berth

1435

1542

322, Bikini Atoll.

2 July Shiftedtoberth230.

Three officers and eighty-four enllsted menevacuatedtoHenrico.Last-minute detall of two officers and ten enlisted men remained on board. Remaining Bracken crew evacuated before ABLE. A fire was reported on Bracken (Reference 5. p. B-11). ATA-192 alongside target ships USS Nla9ara (APA-87). USS Bladen (APA-631, and Bracken to fight fires caused by nuclear detonation (Reference 1, ATA-192). USS Oneota(AN-85)reportedfireon Bracken (Reference 1. -1. ATA-192startedcoolingdownBracken (ReEerence 6. I-12-A). Bracken not cleared for boarding (Reference 6, I-12-A). Oneota reported a small fire on after1. deckhouse of Bracken (Reference Oneota).

12 0841 Reported a Eireon USS Cumberland Sound AV-17). 0855 Extinguished fire aboard Cumberland 0940 Cleared for boarding (Reference

0816-0854BoardingpartyfromOneotaonBracken (Reference 1. Oneota).

5, p.

Sogo.

17 July 0556 1411

8-16). 3 July Bracken crew resumed berthing aboard

Underway. Anchored in Rongelap Atoll.

ship. Shot BAKER ( 2 5 July, 0835)

Shot BAKER (25 July,0835) 25 July

25-26 July Ship abandoned before test BAKER. Personnel were aboardUSS Rockbridqe (APA-228). U s Henrico, USS Applinq (APA-58). and Gunston Hall (LSD-5).

Anchored at Rongelap Atoll.

1 August

0558

Underway for Bikini Atoll where chored in berth 251.

it an27 Julv ~

"~

0640 Bracken showed 30-minute a tolerance 3 August

Shifted to anchorage between berths level. and Item.

385

293

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 UNCLASSIFIED SECURITY CLASSIFICATION

O F T H I S PAGE(When Dare Entered)

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 Destroy this report when it is no longer needed. Do not return to sender.

PLEASE NOTIFY THE DEFENSE NUCLEAR AGENCY, ATTN: STTL, WASHINGTON, DC, 20305, IF YOUR ADDRESS IS INCORRECT, IF YOU WISH TO BE DELETED FROM THE DISTRIBUTION LIST, OR IF THE ADDRESSEE IS NO LONGER EMPLOYED BY YOUR ORGANIZATION.

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 USS Bracken (APA-64)

USCG Bramble (WAGL-392)

27 July 1004-1020

1022 1400 28 July 1340 1341 1352

A boarding team boarded Bracken to recover instruments aftermonitors declared Bracken Geiger sour (Reference 1. Conserver). Bracken reported Geiger sour (Reference 6. p. I-21-B). All Bracken personnel on Rockbridqe were transferred to Henrico.

Cargo nets on the deck on each side of the #2 hatch showed 2.0 and 2.5 R/24 hours. which may have been caused by soaking up water used to wash off the deck. Below deck there was an average radiation of 0.03 R/24 hours, except where water had entered the ship through the two main hatches partly opened by the explosion and through doors and ports leftopen by advance boarding parties. The highest reading was about 1.0 R/24 hours from water on the main deck near the U2 hold (Reference 2).

Monitor boarded Bracken. NMRS team boarded Bracken. All animals instruments. and t e a m were placed back on board USS Conserver (ARS39) (Reference 1. Conserver).

13 August 0900 1000

31 July 0930-1015 1604-1641 1 August

3 August

6 August 0731 0818-0933 1024-1056 7 August 1023-1056 1228 1304-1528 1545 1612 8 August 1555-1620 9 August 1500

10 August 0900-1130

Conserver washed down Bracken. Conserver sprayed foam on Bracken (Reference 1, Conserver). USS Current (ARS-22) washed down Bracken: a boarding team was aboard Bracken for 13 minutes (Reference 1. Current). After three hosings. Geiger sour. 2 to 4 R/24 hours.

Currentwasheddown Bracken for30 Current).

14 August

Topside average 0.7 R/24 hours (Reference 7).

15 August

Ship abandoned: crew on Rockbridqe. Geneva, and Gunston Hall. Party reboarded ship to take in the starboardanchorand close condenser sea valves; USS Etlah (AN-79) alongside to furnish p o w e r to the windlass. Ship abandoned with starboard anchor housed.

0900-1200

Bracken; boarded minutes (Reference 1, 17-18 August

ATR-87 underway, approaching Bracken. ATR-87 washed down Bracken (Reference 1. ATR-87) USS Chickasaw (ATF-83) washed down Bracken (Reference 1. Chickasaw).

19 August 0900

.

Sprayed with decontamination solution by Chickasaw. ATR-87 approached Bracken. ATR-87 washed Bracken down. ATR-87 moored portside to Bracken: radiological monitor boarded Bracken. Radiological monitor returned aboard (Reference 1, ATR-87).

DSR Four men reboarded ship to assist radiological monitor in collecting test equipment. Ship abandoned. All Bracken personnel on Henrico transferred to Rockbridqe.

Bracken crewmembers transferred to E Georqe Clymer (APA-27). Geneva. and Gunston Hall. Four Bracken crewmembers transferred to Chickasaw for temporary duty to anchor Bracken at Kwajalein.

1010

Port bow chain cut above waterline and taken into tow by Chickasaw. Anchor detail on board 25 minutes.

21 August

Anchored at Kwajalein. Anchor detail was aboard 1 hour and 5 minutes.

28 August

Bracken decommissioned.

30 September Topside average 0.20 R/24 hours (Reference 7). Dsn boarding team from USS Deliver (ARS23) on Bracken (Reference 1. Deliver).

Ten Bracken crewpembecs were transferred to remanned target ship USS Geneva (APA86). Party reboarded ship to open It and make inspection for DSM inspection party. No damage due to bomb explosion except radiological contamination and dlsplaceDent of about a quarter of the upper deck hatch boards. Party departed ship. leaving DSM instrument salvage team on board. Although the ship's log does not indicate when the DSU boarding team departed. it isbelievedthattheyleft later that day.

Crew S l z e : 49 B l k l n l Atoll Arrlval: 6 J u l y 1946 Btklnl Atoll Departure: 24 August 1946 Shot ABLE Locatlon: 630 nml (1,167 km) E Shot BAKER Locatlon: 21 nml (39 km) WSW Decontamlnatlon Locatlon: Pearl Harbor Flnal Clearance: By 22 November 1946

Task Unlt and Functlon Bramble served as a support ship in TU 1.8.5 (Survey Unit). Its function was to survey the effects of the nuclear tests on fish and wildlife and to conduct oceanographic surveys to determine the character of the Ocean currents around and inside the atoll. Shot ABLE (1 July, 0900)

The weather decks on 10 August showed considerable contamlnation after various washes by tugs. radiating 0.4 to 0.5 R/24 hours, except in the canvas and cordage where the value rose to as much as 1.0 R/24 hours.

24 June

294

Left PearlHarbor

for Kwajalein Atoll.

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 USS Bramble (WAGL-392)

4 July 0816

USS 8 r i s c o e ( A P A - 6 5 )

1600

Arrived at KwajaleinAtoll. 1630

5 July 1010Underway

for BikiniAtoll.

6 July 1212Arrived at BikiniAtoll berth 150.

and anchored in

2 July 0901 0905 0917 0925 0947

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

24 July 1400

Departed Bikini Lagoon tosortie with TU 1.8.7 in area Packard.

0948

25 July 0855 I545

Changed course for Rongelap Atoll. Anchored at Rongelap Atoll.

30 July 1732

Underway for Bikini Atoll.

31 July 0719

Anchored in berth 250, Bikini Atoll.

2 August

Moved to an anchorage off of Eneu Island.

7 August

Returned to berth 250.

1055 1140 1155 1158 1245-1450 1335 1400 1506-1535

23 August 1320 1330 1639

24 August 1203

A monitor from USS Haven (AH-12) came on board to measure any radioactivityon moorings that were to be loaded. Loaded small boat moorings. Monitor left having found no radioactivity on moorings: the shlp then completed picking up moorings.

3-23 July

Underway for Kwajalein Atoll.

12 July 0900-1125

USS BRISCOE

1510 1645 1705-1715

0915-1015 1040-1125

( APA-65)

Crew S l z e1 :1 2 B l k l n l Atoll A r r l v a lB
 * efore

30 J u n e 1946 B l k l n l A t o lDl e D a r t U r e : 20 Auaust 1946 Crew L o c a t l o nf oSr h o t A B L E : 6 S S B a y f i e l d( A P A - 3 3 ) Crew L o c a t l o fnoSr h o t BAKER: B a y f l e l d km) S Shot ABLE L o c a t l o n1:, 6 5 6y a r d s( 1. 5 Shot B A K E R L o c a t l o n9: 2 0y a r d s( 8 4 1m e t e r s ) WSW Sunk 6 May 1948. n e a rK u a j a l e i n Atoll

14 July 0900-1115

15 July 0915

Last-minute personnel joined ship's company on Bayfield. USS Reclaimer (ARS-42) proceeded to investigate Briscoe and other target ships (Reference 1. Skiplack). Boardingteamfrom USS Clamp (AB-33) boarded Briscoe for inspection. Firefighting team aboard Briscoe. Fire aboardBriscoe extinguished. Firefighting party departed Briscoe. Boarding party departed Briscoe (Reference 1. C-). Briscoe reported Geiger sweet (Reference 6. p. I-25-A). Damage reported as negligible (Reference 3, p. 3 ). Briscoe team A left Bayfield. Picked up Geiger man on USS Haven (AH12). Reboarding team A. Geiger man. and civilian technicians reboarded. Commenced inspecting and opening ship. Technicians came aboard to read ordnance instruments. Team B reboarded. Technicians came aboard to read electronics. Technicians came aboard to read instruments. Technicians came aboard to read instruments. , Team C reboarded. Technicians came aboard to read instruments. Technicians periodically boarded. Diving party aboardto install underwater instruments. Diving party underwater. Diving party underwater. Divers working from an LCM on CROSSROADS instrumentation engaged In operations on the portside. Bureauof Ships Instrumentation Group began working on underwater blasting to test installed gauges.

Task U n l ta n dF u n c t l o n

Briscoe. an attack transport. was a target vessel during CROSSROADS. It served in Transportation Division 93 in TU 1.2.6 (Merchant Type Unit). Its crew was evacuated before shot ABLE. Briscoe carried transmitters for the Electronics Group and was also equipped with water-pressure-telemetering channels to measure ionized clouds.

20 July 0805-1015 23 July 0615

Diving operations conducted in connection with gauge installation and tests. USS Achomawi (ATF-148) and ATR-87 alongside to assist ship in dropping stern anchor.

Shot ABLE ( 1J u l y 0, 9 0 0 ) Shot BAKER ( 2 5 J u l y ,0 8 3 5 )

30 June 1020

Crew evacuated to Bayfieldexcept for seven crewmembers and two civilians left aboard as last-minute personnel.

24 July 0815-0945Crew evacuated shlp for Bayfieldwith the exception of six crewmembers and two civilians conducting last-minutedetails.

Last-minute personnel evacuated to George C l W r (APA-27).

25 JulyLast-minutedetailevacuated to USS Rockbridqe (APA-228) prior to BAKER.

1 July

0405

295

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 USS Briscoe ( A P A - 6 5 ) 25 J u l y 21 July 1355-1440

29 July 0952 1455-1504 1510 1602

USS Brule ( A P A - 6 6 )

Last-minute personnel from Briscoe departed Rockbridqe to join the crew on Bayf ield.

the purpose of hoisting the starboard anchor and slipping the stern anchor. 1330-1410 USS Suncock (AN-80) alongside to take up the anchor. BKiSCOe topside average 0.1 R/24 hours (Reference 1). Rock1600 Special boarding detail returned to wall.

Briscoe had a 30-minute tolerance level (Reference 6, p. I-39-B). (NMRS) 11AugustSomecrewmemberstransferredtoother NavalMedlcalResearchService team boarded Briscoe to remove instruunits. ments and anlmals. 18 AugustMajorityofremainlngcrewtransferred Briscoe Geiger sour. All animals recovt o remanned target shipUSS Niaqara (APAered. Average Geiger readings on main 81). deck 30 R/24 hours. All animals, instruments, and NMRS personnel returned to USS Burleson (APA-67). 20 August in tow by USS Deliver (ARS-23) for 1330 Taken Kwajaleln. A €our-man anchor detail from ATA-185 recovered instruments from Briscoe boarded Deliver. Coe. 22AugustAnchoredatKwajalein.Four-mananchor detail returned to Niaqara. USS Conserver (ARS-39) washed downB B with saltwater. 30 September Topside average 0.40 R/24 hours (Reference 7 ). Conserver sprayed mechanical and chemical foams on Briscoe. Conserver sprayed mechanical and chemical USS ERULE (APA-66) foams on Briscoe (Reference 1 . Conserver).

Be-

31 July 0822-0902 1146-1213 1414-1452

Crew S l z e1:1 1

1 August

2 August

3 August 0800

0946 0952-1000 10 August 0840

1045

13 August 1000 1115

Current (ARS-22) washed down Briscoe; B l k l n lA t o l lA r r l v a l :B e f o r e 30 June 1946 boarding team on board €or 3 minutes. Blklnl A t o lDl e p a r t u r e : 28 August 1946 Crew L o c a t l o nf o r Shot A B L E : U S S Bexar ( A P A - 2 3 7 ) After a3-hourhosing,Brlscoe still Geiger sour. Spot reading from frame 100. Crew l o c a t l o nf o rS h o t BAKER: Bexar upper deck, was4 to 5 R/24 hours. Shot ABLE L o c a t l o n : 1,005 yards ( 9 1 9 m e t e r s ) SE Shot B A K E R L o c a t l o n : 867 y a r d s (793 m e t e r s ) NU Members from Current boarded Brlscoe for Sunk 1 1H a y1 9 4 8n e a rK w a j a l e l nA t o l l 64 minutes for an inspection (Reference Task U n l ta n dF u n c t l o n 1 . Current). ,&B an attack transport. was a target vessel during CROSSROADS. Its crew was evacuated for both shots. It served in Transportation Divjsion91 of Transferredcrewandofficersto TU 1.2.6 (Merchant Type Unit). Rockwall (APA-230). ATA-180 underway to Briscoe. ATA-180 alongside Briscoe (Reference 1, Shot ABLE ( 1 J u l y, 0900) ATA-180). 30 June All personnel evacuated t o Be@?. 1200 Commanding officer and inspection party ofDSMpersonneland 14 crewmembers 2 July B 3 declaredGelgersweet. boarded the ship for a survey of damage 1042 A and B beganreturningtoship 1518Teams and material conditions. and took soundings. Commanding officer and inspection party 1620Theshipwaspronouncedfreeofradioleft the ship: remained on board between activity. 20 minutes and1 hour. USS

4JulyEntlrecrewhadreboarded. Four-man boarding party came on to take draftandsoundingswithonemonftor accompanying the boarding party. Boarding party left the ship.

13 July 1255 An F6F airplane was brought on board. Shot BAKER ( 2 5 J u l y ,0 8 3 5 )

15 August 0150

1120

16 August 1200

Cornanding officer and 22-man boarding party reboarded and inspected the ship in company with E M representatives and radsafe monitors. Reboarding and jnspectlng party returned to Rockwall. having operated emergency diesel fire pumps. Comnanding officer with tadsafe monitor and 8 crewmembers reboarded Briscoe for

24 July 1025

All personnel vere aboard

Be>.

25 July Sustained only minor physical damage from BAKER.but it receivedaconsiderable amount of radiological contamination. 29JulyRadiologicalreadingsindicatednochange in B a ' s condition; i t was assigned a one-half hour radiological tolerance

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 USS Brule ( A P A - 6 6 ) 29 J u l y

USS

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

level. BruA crewmembers remained aboard &X. 12 August

Personnel began being transferred from &B to other units.

13 August

-B was inspected by a party from Wharton (AP-7) (Reference 8): due to the low readings the Inspection was brief.

23 August 28 August

Topside average 2.7 R/24 hours (Reference 7).

24 July 1644

Left Bikini Lagoon €or area Graham.

25 July 1253

Anchored in berth Uncle, Bikini Atoll.

26 July 1600 28 July 1410

Personnel transfers completed;B U decommissioned. Departed Bikini Atoll €or Kwajalein Atoll in tow by USS Chowanoc (ATF-100).

1531 1740

29 August

Arrived Kwajalein.

30 September Topside average 0.72 R/24 hours (Refer-

ence 7). USS BURLESON

Crew S l z e2 :4 4 B l k l nA l t o lA l r r l v a l 1: 4 June 1946 5 August 1946 B l k l nAl t o lDl e p a r t u r e : Shot ABLE Locatton:ADDrOXlmatelV11.5to15 t o2 8 k m ) E S E Shot B A K E R L o c a t l o n1: 1 . 5 nmt I21 km) ESE O e c o n t a m l n a t l o Ln o c a t l o nN: o r f o l k , Virgtnla F l n aCl l e a r a n c e : By 14 October 1946

cii.7

29 July 0905 30 July 1125-1330

(APA-67)

1711 nml

Butte ( A P A - 6 8 )

Reported distilling plant clear of radiation and ceady for use. to Allevaporatorsweresecureddue radioactivity in the watec. Ordered outof the lagoon to area Mercury to await the return of an LCVP with an animal-retrieving party aboard. Animal party returned; Burleson steamed out of lagoon.

Anchored in berth 383. Conducted divlng operations to release clothing caught in starboard condenser intake. Underway for Kwajalein Atoll.

31 July 1045

Anchored at Kwajalein Atoll.

3 August 1814

Departed for Bikini Atoll.

Task U n l t a n dF u n c t l o n

4 August Burleson. an attack transport. was a support ship 0856 in TU 1.1.2 (Instrumentation Unit). Its function was to provide laboratory and base facilities for the Instrumentation Unit. It housed the test anipens, 5 August mals used in the opecation, providing animal feed bins, autopsy rooms, and pathology, hematol1440 ogy. radiobiology and biochemistry laboratories.

Anchored in berth D, Bikini Atoll. Personnel came on board for transfer to the United States. Departed for Pearl Harbor.

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

30 June 1640

1 July 1527 1618 1640

1820

Underway for area outside of the lagoon in area Graham. Anchored In berth 33A. Bikini Atoll. Anchored in berth 115, 8-12. Boats 10 and 14 were detached to target USS Geneva ships USS Niaqara (APA-87), (APA-86). and LCI-327 to remove animals from only the topsides of the ships. Boats returned.

USS BUTTE Crew S l z e1:2 6 BlklnA l tolA l rrlval: B l k l nAl t o lDl e p a r t u r e : Cr eu' L o c a t l o nf o S r hot Cr euI Shot Shot Sunk

7 July 1705

30 Hay 1946 28 August 1946 ABLE: USS Bexar (APA-237), USS Rockbrldge(APA-228) L o c a t l o nf oSr h o t BAKER: Rockbrldge ABLE L o c a t l o n2:. 0 2 5v a r d s( 1 . 9 km) NW BAKER L o c a t l o n : > 2, 4 0 6y a r d s( 2 . 2 km) WSW 12 May 1948near K w a j a l e l n A t o l l

m,

Task U n l t and F u n c t l o n B u t t e was an attack transport used as a target

vessel during CROSSROADS. Its crew was evacuated for both shots of CROSSROADS. It servedin Transportation Division 92 of TU 1.2.6 (Herchant Type unit).

2 July

1317

(APA-68)

Shifted to berth 107. Underway for Kwajalein Atoll.

Shot ABLE ( 1 J u l y0, 9 0 0 )

19 July 1638

Left for Bikini Atoll.

30 June

0910-1035 20 July

0913

Most ccewmembers were evacuated & Bto e; a small contingent boarded Rockbridqe.

Arrived Bikini Atoll. 1 July 1619

297

Butte reported Geiger sweet by radsafe patrols.

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 USS Butte (APA-68)

USS Carteret (APA-70)

1 July 2026

A fire was reported on board (Reference 6. p. I-14-A; Reference 5. p. B-14).

28 AugustTowedtoKwajaleinanddecommissioned.

Butte remained at Kwajalein for further radiological study until it was sunk.

2 July 1600 An inspection team reboarded Butte. 1615-1945 Preliminary damage inspection conducted. 3 July 0845

All B

USS CARLISLE (APA-69) Crew S l z e1:0 4 B l k l n lA t o l lA r r l v a l :B e f o r e 30 June 1946 Crew L o c a t l o nf o rS h o t ABLE: USS Bexar(APA-237) Crew L o c a t l o nf o rS h o t BAKER: V a r l o u su n l t s Shot ABLE L o c a t l o n 4: 5 0y a r d s( 4 1 1m e t e r s ) SW Sunk 1 J u l y1 9 4 6 ,B l k l n lA t o l l

Z personnelreboarded.

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

24 July 1020 25 July 1444

Ship's crew was again evacuated
 * -B to

Task U n l t a n dF u n c t l o n Carlisle. an attack transport, was a target vessel last-minute personnel boarded Rockbridqe. during CROSSROADS. Its crew was evacuated before ABLE and never returned to the ship. It served in Transportation Division 92 of TU 1.2.6 (Merchant Butte declared Geigersour (Reference 6, p. 1-12-8). Type Unit).

B 3 ' s crew remained

aboardB 2 eand Rockbridqe after Shot ABLE ( 1J u l y ,0 9 0 0 )

BAKER. 31 July

Washed down by USS Current (ARS-22) with high-pressure streams (Reference 6. p. I-58-B).

3 August

USS

Carlisle sank due to test ABLE damage. Diving operations were conducted for examination of the ship after 14 July. shot ABLE until about Shot BAKER ( 2 5J u l y ,

0835)

Clamp (ARS-33) reported Geiger team inspected ship: Geiger sour.

7 August 0800-1100 8-9 August

By 25 July Carlisle's crew had been transferred to various units of the fleet for the remainder of CROSSROADS. The units includedUSS Coucal (ASR-8). USS Orca Radsafe monitor and boarding team boarded (AVP-49). CTG 1.2.6, CTU 1.2.7. ComSerDiv Eleven, and Butte: lnspectioc results unknown. CTU 1.2.5. Entire ship's company returned to B u t t e and conducted decontamination procedures for approximately 8 hours each day, ree each nlght for berthing. turning to-B Butte readings are given in Table A.l. Contaminateditemswereeitherwashed with a high-pressure hose or thrown overboard. Scraping of the ship went below thewaterline. Further decontamination ordered stoppedby orderof DSM.

USS CARTERET (APA-70) Crew Slze: 119 B l k l n lA t o l lA r r l v a l :B e f o r e 8 June1946 B l k l n Al t o l O l eoarture: 25 Auaust 1946 Crew L o c a t l o nf o S r hot ABLE: iSS Bexar (APA-237) Crew L o c a t l o nf o sr h o t BAKER: Bexar Shot ABLE L o c a t l o n1:, 7 1 0y a r d s( 1 . 6 km) SE Shot BAKER L o c a t l o n >: 2 , 4 0 0y a r d s( 2 . 2 km) WSW Sunk 19 A p r l l 1 9 4 8 ,K w a j a l e l nA t o l l

T a b l e A.l. USS B u t t e( A P A - 6 8 )d e c o n t a m l n a t l o n. Task U n l ta n dF u n c t l o n

Carteret was an attack transport used as a target vessel during CROSSROADS. Its crew was evacuated before each shot. It served in Transportation Division 91 of TU 1.2.6 (Merchant Type Unit).

Readlng h r s ) ( RL/ o2 c4a t lDoant e

7 August Waterllne Average AEv e x treargl eo r Maxlmum E x1 t. e5 r l o r Average I n t e r l o r Maxlmurn I n t e r l o r

0.3 0.5 0.05

0.3

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

30 June 0930 1214

Commenced evacuating ship. Comnanding officer evacuated ship: ship completely evacuated to 2 .

9 August Waterllne Average 0.09 AEv xe treargl o er Maxlmum E x t e r l o r Average I n0 t. e0 r5l o r Maxlmum I n t e r l o r 12August 1 October

0.08 0.6

2 July 1011

0.08

1012

0.12 Average Topslde

1020 1050

0.02 Average Topslde

1058 Sources: References

4 and 7.

1400

17-28 August Butte personnel transferred to various units of the task force.

1410

298

A boarding team from USS Clamp (ARS-33) boarded Carteret. boarded Carteret Fire party from after report of a fire. Fire aboard Carteret extinguished. Parties aboard Carteret returned to Clamp (Reference 1. Clalnp). Carteret declared Geiger sweet (Reference 6 . I-28-A). Connnanding officer returned accompanied by radiologist and TeamA of ship's crew to make preliminary investigation of the entire ship. Team B reboarded.

clamp

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 USS C a r t e r e t( A P A - 7 0 ) 2 July

USS C a r t e r e t( A P A - 7 0 )

1530 Radiologist departed. having reported Carteret to be free of radioactivity. 1652 A l l hands returned to Carteret. 6 July

0543Underwaytoshiftberths. 0621 Anchored between berths 185 and 197. 1055YO-63mooredtostarboard. 1110-1125 Took on fuel from YO-63.

1115

2 August 1345-1645 1720

Shot BAKER (25 July, 0835)

24 July 0915 1034 25 July 1404

Commenced evacuating personnel to Be>. Commanding officer left Carteret: completed evacuating the ship.

=

AverageradioactivityaboardCarteret 0.14 R/24 hours: boarding team returned to clamp. The captain and working party with a radiologist boarded to conduct decontamination operations; returned to .-eB DecontaminationcrewboardedCarteret afterinstructionsontarget ship Muqford(DD-389). The survey by the Geiger men indicated that the ship was clear below deck. Diesel generators were lit off. Deconstarted and the boiler tamination work was carried out on the weather deck and upper deck throughout the day (Reference4).

USS Suncock (AN-80) was advisedthat CarThe final Geiger readings that day were: upper deck was clear for boarding and directed 1.2 R/24 hours. cabin deck 0.15 R/24 hours, poopdeck to place a team aboard. 1.2 R/24 hours, bridge deck 0.3 R/24 hours, catwalk 1420 The water around Carteretwas Geiger sour between stacks 1.2 R/24 hours, signal bridge 0.5 R/24 Two monitors were (5 R/24 hours): Suncock awaited further hours. forecastle 1.2 R/24 hours. required all day without relief (Reference4 ). instructions. 1621 Suncock directed to proceed from Carteret to special anchorage (Reference 1, Sun3-11 August Decontamination work continued. Working parties generally boarded at 0745, recock). turning to e B about 1630. A radiolo27 July gist accompanied the teams each day. From 3 August to 1000 on 11 August, the com1217-1224 USS Conserver (ARS-39) recovered instru1. Conments from Carteret (Reference manding officer and a skeleton crew of server). engineersremainedaboard at nightto 1225 Ship reported Geiger sour. and i t was operate the ship’s boilers. not cleared for boarding (Reference 6 . p. I-22-E). 13 August 1230 0930 CarteretGeigersour.Team not placed Captain, accompanied by the radiologist. returned to ship to obtain chronometers. aboard: Geiger readlng 0.25 R at 8-foot Two instruments (2.44-meter)distance. Captain and radiologist left the ship. hanging over stern recovered. 14 August 29 July 0905-1100 Captain and working party boarded ship 1430 with radiologist to receive paint stores. CarteretdeclaredGeigersour (1 R/24 hours). 1450 16 August Carteret approved for reboarding for a limited time: monitor present to guard 0830 Captain boarded ship with radiologist and against exceeding tolerance. working party to rig ship for painting. Captainandworkingpartyreturnedto 1630 USS Current (ARS-22) moored alongside Carteret for 15 .-eB minutes: boarding team aboardfor 15 minutes (Reference 1. Current). 17 August Captain boardedship with radiologist 0830 31 July and working party and commenced painting 1101 USS Preserver (ARS-8) underway to Carouter deck and superstructure. to take Geiger readings and spray Captainandworkingpartyreturnedto 1730 with foam. .-eB Preserver completed taking Geiger read1137 ings: conenced spraying Carteret with 18 August 0814-1715 Captain. crew. and radiologist on board powdered chemical foam. 1255 PreservercompletedsprayingCarteret to complete painting. and proceeded to target vessel LCT-705 (Reference 1. Preserver). Decontamination operations were ordered 19 August discontinued.andthecrew was trans1 August ferred to USS Georqe C l m e r (APA-27). 0742 Preserver underway to wash d m Carteret in target array. 20 August Crew transferred to other ships: captain 0810-1004 Preserver washed d m Carteret with two and one petty officer continued to live 5-inch water monitors. on &x<. 1017-1027 Preserver monitor team on board Carteret totakeGeigerreadings(Reference 1, 25 August USS Chowanoc (ATP-100) prepared Carteret Preserver). for towing: Chowanoc departed for Kwaja1054-1105 Radiological monitor from Claapp boarded lein with Carteret in tow. Carteret (Reference 1. Clamp). 26 August Ship decommissioned.

-

299

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 USS Carteret ( A P A - 7 0 )

USS Catron ( A P A - 7 1 )

27AugustChowanocarrivedatKwajalein:castoff tow.

influence on theship's materiel from the test (Reference 3 ).

x-

Table A.2 lists the Geiger readings taken aboard

u.

Table A.2.

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

24 July USS C a r t e r e (t A P A - 7 0 r) a d l a t l o n readlngs.

1030

Crew evacuated to Henrico.

27 July 0946 R e a d l n g( R / 2 4h o u r s ) Maxlmum

Average

Maxlmum

Average

28 July

T oTDIpoInanspstslsledldidedeee

3 August 1.5 4 August 1.2 5 August 1.0 6 August 0.9 7 August 8 August 0.45 9 August 0.45 August 0.6 10 August 11 August 20 29 September

1429-1436 0.6 0.6 0.5 0.4 0.3 0.13 0.215 0.098 0.098 0.1 0.014

0.75

0.6 ---

---

Half the test animals were removed while the ship was still Geiger sour.

0.4 0.8 0.8

0.7 -__a

29 July 1344-1357

1.2

0.06 0.06

2 August

clamp administered a coat of foam t o Catron (Reference 6. p. I-71-B).

0.06 0.04 0.04

12 August

Ten men boarded for 3 hours to open and inspect ship.

13 August

Boarding team boarded for 4 5 minutes to recover casualty badges. Crew transferred from Henrico toUSS Rockinqham (APA-229).

14 August

All crewmembers who were in reboarding teams on Catron were examined, with their clothing, for radioactivity by radiologiical monitors. No personnel showed any radioactivity.Theshoesoftwomen showed radioactivity and were disposed of.

16 August

Fifteen men boarded for 4 hours in the morning to pump out engine room: eight men boarded for 1 hour in the afternoon to continue pumping out the engine room.

17 August

in the Seven men boarded for 1-1/2 hours morning to pump out engine room. Nine men boarded in the afternoon for a 2-hour inspection.

19

August

Nine men boarded for1 hour in the morning to conduct pumping operations; pumping continued for 2 hours 45 minutes in the afternoon.

20 August

Twelve men boarded for 2 hours in the morning to conduct pumping operations: pumping operations continued for 2 hours 15 minutes in the afternoon.

21 August

2 Ten crewmen boarded in the morning for hours 30 minutes to conduct pumping operations; six menboardedforalmost3 hours in the afternoon to continue pumping.

22 August

Eleven crewmen pumped the ship for 2 hours 20 minutes.

26 August

Went to Kwajalein Atoll.

28 August

Arrived at Kwajalein.

29 August

Decommissioned.

0.6

0.55

0.6 0.6 0.6

""-

_" _"

_" "_

Note:

a --- s l g n l f l e s n o r e a d l n g a v a l l a b l e 4 and 7.

Sources: References

Catron showed a 1-hour tolerance level from 30 feet (9 meters) (Reference 6, p. 1-20-B).

USS CATRON (APA-71) Crew S i r e : 116 B l k l n lA t o l lA r r l v a l :B e f o r e 30 June 1946 B l k l n Al t o l D l eparture: 26 August 1946 Crew L o c a t l o nf o rS h o t ABLE: USS Henrlco(APA-45) Crew L o c a t l o nf o S r hot BAKER: H e n r l c o Shot ABLE L o c a t l o n1:, 8 4 0y a r d s( 1 . 7 km) S Shot BAKER L o c a t l o n 1: , 2 7 5y a r d s( 1 . 2 km) SSE Sunk 6 May 1 9 4n8e aKrw a j a l e A l nt o lal f, t eb re l n g r e t a l n e dt h e r ef o rr a d l o l o g l c a ls t u d l e s. T a s kU n l ta n dF u n c t l o n

Catron. an attack transport, was a target vessel during CROSSROADS. Its Crew Was evacuated for both shots. It served in Transportation Division 93 of TU 1.2.6 (Merchant Type Unit). Shot ABLE ( 1 J u l y 0, 9 0 0 )

30 June

1015 Crew was evacuated to Henrico. 1 July USS Clamp 1531 Catron declared Geiger sour by (ARS-33) (Reference 6. p. I-12-A). 2 July 1345Catronradiologicallyclearedforboarding(Reference 5. p. 8-16], crewreboarded

.

An 11 July commanding officer's damage report stated that the damage was superficial. While the animals aboardtheshipwereexposed.therewasnoreal

300

Remaining test animals were removed.

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 USS Catron ( A P A - 7 1 )

USS Charles P. Cecil (DO-835)

Average topside intensities measured as listed below(Reference 7):

August

3 4.0 6 August 2.5 8 August 12 August 22 August 25 September USS CEBU

Catron

were 30 July 0834 1500

Read inq houk)

(R/24 Date 6.0

aboard

1.5 0.87 0.35

Underway for Bikini Atoll. Anchored in berth 207A. Bikini Atoll.

1 August 0908 0925

WS-413 came alongside for repairs. YHS-354 came alongside for repairs.

2 August 1504 1601

Underway for berth Roger. Anchored.

7 August 0920

Anchored in preliminary berth 207-A.

(ARG-6)

14-23 August Target ship LCI(L)-549. which had been radiologically cleared after shots ABLE for repairs. and BAKER, alongside

Crew S l z e : 357 B l k l n lA t o l lA r r l v a l : 20 Flay 1946 23 August 1946 B l k l nA l t o lD l eparture: L o c a t l o n f o r Shot ABLE: K w a j a l e l nA t o l l L o c a t l o n f o r Shot BAKER: 19 nml ( 3 5 km) €NE D e c o n t a m l n a t l o nL o c a t l o n : San F r a n c l s c o Operatlonal Clearance: 16 December 1946 F l n aCl l e a r a n c e : 21 December 1946

16 August 0900

22 August

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

was an amphibious ready group repair ship used as a support ship in TU 1.8.1 (Repair and Service Unit). Its functions were salvaging. towing, and emergency repair work.

&C

Honitors came aboard to check evaporators. Evaporator working spaces reported clear of radioactivity and safe forp e c sonnel. No radiological hazards found except for the auxiliary condenser of the evaporators. It was. however. safe to operate under standard watch conditions.A fourman Radiological Safety Clearance Board t o inspect the ship. team came aboard

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

1 July 1151

23 August 1400 Underway for Bikini Atoll from Kwajalein.

2 July 0913 1419

Anchored in berth 251-A. Bikini Atoll. Shifted to berth 207-A.

18 July 1400

Left for Rongelap Atoll.

19 July 0730 0832 1642 21 July 0940 1049 22 July 0400 0850 1630 23 July 1532

Departed Bikini Atoll for Kwajalein Atoll and thence to Pearl Harbor.

10 September Arrived at Pearl Harbor.

Arrived at RongelapAtoll. DepartedforBikiniAtoll.completing transfers to USS Bowditch (AGS-4) before leaving. Anchored in berth 207-A. Bikini Atoll. FGH-32 came alongside for repairs. FGH-29 came alongside for repairs.

13 September A radsafe representative issued a conditional radiological clearance for &C and recommended sinking two 36-foot (11meter) motor launches and an LCVP that were considered unsafe. It was further recommended that camels. a boat weight. and a port gangway fender be sunk; that men working on the starboard anchor chain wear gloves: and that all saltwater system lines be opened or welded only under radiological monitoring supervision. The radsafe recomendations were followed. 14 September Left for San Diego. USS CHARLES

"31 came alongside for repairs. A diving party left to make underwater repairs on USS Creon (ARL-11). Diving party returned.

P. CECIL (00-835)

Crew S i z e : 287 BlklnA l tolA l rrlval: 4 June 1946 25 J u l 1y 9 4 6 B l k l nAl t o lD l eparture: Shot ABLE L o c a t l o n : 42 nml (78 km) E S E Shot BAKER L o c a t l o n A
 * pproxlrnately

48 nml(89 F l n aCl l e a r a n c e : By 22 November 1946

All FWs had cast off

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

km) SE

Task U n l t a n dF u n c t t o n

The destroyer C a was a support ship in Destroyer Division 5. Commander Destroyer Squadron 5. of TG 1.6 (Navy Air Group). Its function was to provide support for the drone and photographic aircraft operations.

24 July 1359 Departed lagoon for area Packard. 25 July 0835OperatinginareaGraham. 0949LeftforRongelapAtoll. 1604AnchoredatRongelapAtoll.

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

30 June 1612Underwayforoperatingarea.

301

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 USS Charles P. Cecil (DD-835)

1 July 1547

Anchored at Kwajalein Atoll

2 July 1605

Left for Bikini Atoll

USS

2 July 0900 1104-1205 1738

3 July 0620 0616 0945 1616 4 July 0654

1800

Arrived Bikini Atoll. Underway to join TU 1.6.1. Anchored in berth 269. Departed for Kwajalein.

14 July 1334 15 July 1615

16 July 0816

Picked up radiological monltors from H B (AH-12). USS Independence Alongside target ship (CVL-22) to collect pressure instruments. in towing CompletedassistingATA-180 Independence. Anchored near becth 307, Bikini Atoll.

3 July

0855 0953

Anchored at Kwajalein Atoll: conducted aircraft-tracking runs. fighter direction exercises. and battle exercises.

7 July 0844-1337 1403

13 July

Chlckasaw (ATF-83)

Left Kwajalein Atoll for operating area to conduct flight operations in company withUSSShanqrl-La (CV-38) and E Turner (DD-408).

9 July 0718-1105 1137

Anchored at Bikini Atoll in berth 248.

10 July 0846-1328 1356

Underway for Kwajalein Atoll after transfrom USS Chickasaw ferringpersonnel (ATF-83).

1 1 July 1231-1645

1113

Ordered to stay in the vicinity of pendence. Anchored In berth 292.

m-

Assisted shifting target ship USS Davson (APA-79) to new berth. Anchored in berth 289. Towed Independence to berth 214. Anchored in berth 75. Towed target ship USS Arkansas to berth 161. Anchored in berth 75.

(88-33)

Towed target ship USS Nevada (BE-36) to its position In the target array. Anchored in unidentified berth in Bikini.

Arrlved Kwajalein Atoll. 12 July 0650-1100 Towed target ship USS Saratoqa (CV-3) to its new mooring. 1145Anchored in berth75.

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

24 July 1610 Underway with Lagoon. Bikini

TG 1.6 for area outside of

July

25 July 1722Anchored

at KwajaleinAtoll.

28 July 1640Departed

forPearlHarbor.

15 1310-1521 Towed target ship USS Crittenden (APA-77) to new berth. 1540Anchored in berth75. 16 July 0635-0829 1450-1758

Towed Saratoqa to assigned mooring buoy. Towed target ship Hayrant (DD-402) to new berth. 1820Anchored in berth75.

USS CHICKASAW (ATF-83) Crew S i z e : 78 B l k l nA l t o lA l r r l v a l 3: 1 May 1946 B l k l nAl t o lDl e p a r t u r e2: A 6 u g u s1t 9 4 6 Shot ABLE L o c a t l o nA: p p r o x l r n a t e l y 24 nml ( 4 4 km) E nml ( 2 2 km) SE Shot BAKER L o c a t l o n 1: 2 D e c o n t a r n l n a t l oLno c a t l o n : San F r a n c l s c o O p e r a t l o n aCl l e a r a n c e : 13 January 1947 F l n aCl l e a r a n c e1:J8a n u a r1y9 4 7 T a s kU n l ta n dF u n c t l o n

The fleet ocean tug Chickasaw was a support ship in TU 1.2.7 (Salvage Unit). Its functions were salvaging.firefighting, towing, and emergency repair work.

18 July

1156-1304 Towed ATA-185 Shot B A K E R (J2u50l y8,3 5 )

24 July 1252 Underway for area outside of lagoon with TU 1.2.7. 25 July 1116 1143 28 July 1248-1649

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

1725

1 July 0528

Underway for operating area for shot ABLE. 1305EnteredBikiniHarbor in formation. 1350Layingto.awaitingorders. 1425 Laying to. clear and east of target radiological clearance. ships:awaiting 1815 Anchored in berth F. Bikini Atoll.

to new berth.

29 July 0905 0940-1829 1902

302

Reentered lagoon. Anchored in berth H. Underway towing target submarine USS Tuna (SS-203) to lee side of Rochikarai Is land. Anchored near berth 378. Underway to spray foam on target ship Huqhes (DD-410). Anchored In vicinity of Huqhes. Anchored in unidentified berth in Bikini.

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 USS Chlckasaw (ATF-83)

30 July 1758

USS C h l k a s k l a ( A O - 5 4 )

Underway for Rongelap Atoll

28 August 1239AnchoredCatron at Kwajalein.thenproceeded to anchorage.

Anchored Rongelap Atoll. Underway to Bikini Atoll with LCT-1420 and LCT-1184 in tow.

31 August 1423-1629

Moored Crittenden to Dawson.

7 September

Departed Kwajalein for Guam.

31 July 0658

1319 1 August 0929 2 August 5 August 1447-1558 1649 6 August 0912-1012

1024-1056 1510 7 August 1023-1056

1327 8 August 1300-1402

1438

Anchored at BikiniAtoll in berth H. after casting offboth LCTs.

USS C H I K A S K I A( A O - 5 4 )

Crew Slze: 176 Blklnl Atoll Arrlval: Before 1 July 1946 Biklnl Atoll Departure: 23 August 1946 Shot ABLE Locatlon: 28 nrnl (52 k m ) N Shot BAKER Locatlon: Kuajaleln Atoll Oecontamlnatlon Locatlon: $an Franclsco Operatlonal Clearance: 31 December 1946 Flnal Clearance: 4 January 1947

Shifted to anchorage near berth378. Washeddowntarget ship USS Gasconade (APA-85). Anchored near berth 378. Sprayed Gasconade with a special solut ion. Washed down target shipUSS Bracken (APA64). then got underway. Anchored near berth 378.

1027 1159 13 August 1339-1427 1515-1628 1711 19 August 1010

Chikaskia. an oller, was a support ship in TU 1.8.1 (Repair and Servlce Unit). Its function was to provide provisions, fuel, and water. to other support ships.

Shot ABLE ( 1 July, 0900)

Sprayed Bracken with decontamination solution. then got underway. Anchored in berth 75.

in

1 July Steaming

ships. 1835Anchored Lifted three boxes from target LST-545 to LCM-26. Anchored in berth 75. Washed down target ship 66). Washed down Dawson. Anchored in berth 53.

USS

column with

6 July 0848-1340 Refueled target

ship USS Sacatoga (CV-3).

10 July 0716-1155

Refueledtarget ship USS Pennsvlvania (BEI-38). 1632Anchored nexttotarget ship USS Nevada (B8-36). Remained anchorednext to Nevada overnight.

Brule (APA-

Washed down target submarine USS Parche (SS-384). Washed down target submarine USS Skate (SS-305). Anchored in berth 54

1 1 July 0752

Underway to Kwajalein Atoll with Bracken in tow.

21 July Departed

for Kwajalein.

22 JulyAnchored supply.

at Kwajalein to replenish fuel

UnderwayfromNevada.

14 July 0739-1050 Fueled 1744Anchored

target ship USS Arkansas (BB-33). in berth267.

Anchored Bracken at Kwajalein. Underway to Bikini.

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

22 August 1045

Anchored in berth 53, Bikini Atoll.

25 July 0952

DepartedKwajalein

26 July 0825

Anchored at Rongelap.

25 August 1155 1617 26 August 1147 1257

other

in berth324.

21 August 1204 1724

23 August 1059

seven

ship USs

9 August

0810-1013

Task Unlt and Functlon

Departed for Kwajalein Atoll with target (CA-25) in tow. ship USS Salt Lake-

for Rongelap.

30 July 1040 AnchoredSaltLake City at Atoll. Left for Bikini Atoll.

DepartedRonqelap tor Bikiniafterreeueling ships. 1735 Anchored in berth 250, Bikini.

Kwajalein

Anchored Bikini Atoll. Underway for Kwajalein Atoll with target ship USS Catron (APA-71) in tow.

2 August to dischargecontaminated oil; 1629Underway believed to be contaminated from foreign material. not from radiation.

303

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 USS C h l k a s k l a (AO-83)

USS Chowanoc (ATF-100)

2 August 1832 3 August

Anchored 600 yards (549 meters) southwest13 July of buoy 1 ) . 0912-1226 Left Bikini for Kwajalein after refueling ships.

4 August

Anchored at Kwajalein

5-12 August

Refueled and serviced ships at Kwajalein.

13 August

Departed Kwajalein for Bikini.

14 August

Returned and anchored at Bikini, berth 205.

1800 1804

20 August 1150-1340 1430-1510

Fueled target vessel LCT-1115. Radsafe party inspected ship; ship found free of radioactlvlty.

14 July

En

15 July

Towed Safequard to Enewetak Atoll,

16 July

Released Safequard and departed for Bi kin1 Atoll.

17 July 1834

23 August

Underway for Kwajalein.

24 August

Arrived at Kwajalein. Departed f o r Pearl Harbor with barracks ship APL-34 in tow. 18 July

2 September Arrived at Pearl Harbor. USS

23 July 0836

CHOWANOC (ATF-100)

1952 2142

Crew Slze: 88 Blktnl Atoll Arrival: 28 Hay 1946 Blklnl Atoll Departure: 28 August 194b Shot ABLE Locatlon: 94 nm (174 km)SSL Shot BAKER Locatlon: 18 nml (33 km) SSE Oecontamlnatlon Locatlon: Pearl Harbor Flnal Clearance: 1 February 1947

Unloaded Army gear from target shlp USS Pennsylvania(BB-38)toLCT-1415and towed LCT to anchorage and YF to .SOrdered to assist USS Safequard (ARS-25). which was in trouble northeast of the lagoon. Underway to Safequard. route to rendezvous with Safequard.

Anchored at Bikini Atoll. Went alongside target ship USS Independence (CVL-22) for about 5 minutes to moor YW beside it: (88moored to target shlp USS Arkansas 33) for 1 hour to unload cargo. Alongside Independence for10 minutes. Departed for Rongelap Atoll with YF-990 in tow. Moored at Rongelap Atoll. Departed for Bikini Atoll after mooring YF-990 t o USS Quartz (IX-150).

Shot BAKER (25 J u l y, 0835) 24 July 0618 1610

Anchored at Bikini Atoll. Underway for area outside of lagoon.

Task Unlt and Functlon

Shot

25 July 0905 The Eleet ocean tug Chowanoc was a support ship 1516 in TU 1.8.1 (Repair and Service Unit). Its functions were salvaging, towing, and offloading sup26-30 July plies and equipment.

Changed course for Rongelap. Anchored at Rongelap Atoll.

ABLE ( 1 July,

30 July

Left Rongelap Atoll

31 July 0815 1232

Anchored in berth 207, Bikini Atoll. Shifted to berth 191A.

30 June 1532 1 July

09001

Underway for Kwajalein Atoll with YO-132 in tow.

3 July 1122

1-3 August Reversed course and headed back to Bikini Atoll. 3 August 1606 Anchored in b e r t h 43, Bikinl Atoll. Bow6 August Cast off YO-132 and underway to USS ditch (AGS-4) to discharge passengers. Underway for Kwajalein Atoll. 7 August Arrived at Kwajalein. Left for Bikini Atoll with YF-753 in tow.

4 July 1229

Anchored near berth191A in Bikini Atoll.

5-9 July

Moored near USS Sioux (ATF-75) and C 2 (ARG-6) for repairs.

10 July

Anchored in berth 191A.

0908 2 July 0755 0843 0948

At Rongelap: routine activities.

Sclentlficpartyattemptedtorecover recording equipment from Nam and Iroij islands. Bikini Atoll. Anchored in berth 364. Washed down target ship USS Ralph Talbot (DD-390) for about4-1/2 hours. Washed down target shlp USS Rhind (DD404) for 2hours. Washed down target submarine USS Searaven (88-196)for 1 hour.

8-9 August

Routine activities.

10 August

Pumped water Erom target ship USS Gasconade (APA-85)for an unspecified period of time.

11-13 August Routine activities.

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