![70th Anniversary of Operation Crossroads Atomic Tests in Bikini Atoll, July 1946 | National Security Archive 70th Anniversary of Operation Crossroads Atomic Tests in Bikini Atoll, July 1946 | National Security Archive](https://nsarchive.gwu.edu/sites/default/files/thumbnails/image/crossroad-1800.jpg)
70th Anniversary of Operation Crossroads Atomic Tests in Bikini Atoll, July 1946 | National Security Archive
![U.S. Army Photographic Signal Corps | [Operation Crossroads: 21 Kiloton "Baker" Bomb Detonated Ninety Feet Underwater, Bikini Atoll Lagoon, South Pacific, July 25, 1946] | The Metropolitan Museum of Art U.S. Army Photographic Signal Corps | [Operation Crossroads: 21 Kiloton "Baker" Bomb Detonated Ninety Feet Underwater, Bikini Atoll Lagoon, South Pacific, July 25, 1946] | The Metropolitan Museum of Art](https://images.metmuseum.org/CRDImages/ph/original/DP-22644-003.jpg)
U.S. Army Photographic Signal Corps | [Operation Crossroads: 21 Kiloton "Baker" Bomb Detonated Ninety Feet Underwater, Bikini Atoll Lagoon, South Pacific, July 25, 1946] | The Metropolitan Museum of Art
![MHS Collections Online: Second Bikini Atoll atomic bomb test [2 seconds after detonation], 25 July 1946 MHS Collections Online: Second Bikini Atoll atomic bomb test [2 seconds after detonation], 25 July 1946](http://www.masshist.org/database/images11/5622_bikini_2_sec_work_lg.jpg)
MHS Collections Online: Second Bikini Atoll atomic bomb test [2 seconds after detonation], 25 July 1946
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