Operation Castle
Bikini Atoll and Enewetak, Marshall Islands in 1954
Shots Bravo, Romeo, Koon, Union, Yankee, Nectar
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Operation Castle was a six-detonation nuclear weapon test series (see table) held at the Atomic Energy Commission’s (AEC) Pacific Proving Ground (PPG) from March 1 to May 31, 1954. The PPG consisted principally of Enewetak and Bikini Atoll in the northwestern Marshall Islands in the Central Pacific Ocean. Peak DOD numerical strength of CASTLE was approximately 17,300 personnel.
Dates: March 1 - May 31, 1954
Videos
The Castle Bravo Disaster - A "Second Hiroshima"
List of Participants
SHOT | DATE | SITE | US SHIP PARTICIPATION |
Bravo | 3/1/1954 | Bikini Atoll | Curtiss, Epperson, Nicholas, Renshaw, Philip, Grosse Point, Bairoko, HMR-362, VC-3, VP-29, Estes, Apache, Cocopa, Molala, Sioux, Tawakoni, Bikini Boat Pool, Belle Grove, Fred C. Ainsworth, LST-551, HMNZS Hawea, Edmonds, VR-7, Patapsco, Gypsy, George Eastman, Granville S. Hall, Reclaimer, Mispillion, LST-762, Douglas A. Munro, Edmonds, Genesee*, Manatee*, Merapi*, PC-1141, PC-1145, Silverstein |
Romeo | 3/27/1954 | Bikini Atoll | Curtiss, Epperson, Nicholas, Renshaw, Philip, Grosse Point, Bairoko, HMR-362, VC-3, VP-29, Estes, Apache, Cocopa, Molala, Sioux, Tawakoni, Bikini Boat Pool, Belle Grove, Fred C. Ainsworth, LST-551, HMNZS Hawea, Edmonds, VR-7, Gypsy, Mender, George Eastman, Granville S. Hall, Reclaimer, LST-762, LST-1146 |
Koon | 4/7/1954 | Bikini Atoll | Curtiss, Epperson, Nicholas, Renshaw, Philip, Grosse Point, Bairoko, HMR-362, VC-3, VP-29, Estes, Apache, Cocopa, Molala, Sioux, Tawakoni, Bikini Boat Pool, Belle Grove, Fred C. Ainsworth, LST-551, HMNZS Hawea, Edmonds, VR-7, Mender, Reclaimer, Shea, Terrell County, LST-762, Karin, Unadilla |
Union | 4/26/1954 | Bikini Atoll | Curtiss, Epperson, Nicholas, Renshaw, Philip, Grosse Point, Bairoko, HMR-362, VC-3, VP-29, Estes, Apache, Cocopa, Molala, Sioux, Tawakoni, Bikini Boat Pool, Belle Grove, Fred C. Ainsworth, LST-551, HMNZS Hawea, Edmonds, VR-7, Mender, George Eastman, Granville S. Hall, Reclaimer, Shea, Terrell County, Deliver, Leo |
Yankee | 5/5/1954 | Bikini Atoll | Curtiss, Epperson, Nicholas, Renshaw, Philip, Grosse Point, Bairoko, HMR-362, VC-3, VP-29, Estes, Apache, Cocopa, Molala, Sioux, Tawakoni, Bikini Boat Pool, Belle Grove, Fred C. Ainsworth, LST-551, HMNZS Hawea, Edmonds, VR-7, Mender, George Eastman, Granville S. Hall, Shea, Terrell County, Arequipa, Deliver, LST-975, Navasota |
Nectar | 5/14/1954 | Enewetak Atoll | Curtiss, Epperson, Nicholas, Renshaw, Philip, Grosse Point, Bairoko, HMR-362, VC-3, VP-29, Estes, Apache, Cocopa, Molala, Sioux, Tawakoni, Bikini Boat Pool, Belle Grove, Fred C. Ainsworth, LST-551, HMNZS Hawea, Edmonds, VR-7, Terrell County, Deliver, Namakagon |
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