Los Alamos National Laboratory/Gallery

Nuclear weapons tests
(kt and Mt are kilotons and megatons, respectively, of TNT equivalent energy)

(PD) Photo: Berlyn Brixner 20 kt,"Trinity" surface test of first fission bomb, July 15, 1945, White Sands, New Mexico. 0.016 seconds after detonation, fireball was about 200 metres wide.	(PD) Photo: U.S. Government 23 kt, "Baker" test, underwater fission bomb, Bikini Atoll, July 24,1946	(PD) Photo: U.S. Government 10.4 Mt, "Mike" surface test of first fusion device. Enewetak Atoll, October 31, 1952	(PD) Photo: U.S. Department of Energy 10.4 Mt,Mushroom cloud from "Mike" surface test of first fusion device. Enewetak Atoll, October 31, 1952
(PD) Photo: U.S. Government 15 Mt, Fireball of "Castle Bravo" fusion bomb surface test, Bikini Atoll, March 1, 1954	(PD) Photo: U.S. Government 1.1 Mt,"Dakota" test of fusion bomb, Bikini Atoll. June 25, 1956	(PD) Photo: U.S. Government 1Mt, "Arkansas" test of a fusion device for missile cones, parachuted by air drop from B52 aircraft, Christmas Island, May 2, 1962	(PD) Photo: U.S. Government 1.3 Mt,"Bluestone" test of fusion bomb air drop from B52 aircraft, Christmas Island, June 30, 1962
(PD) Photo: U.S. Government 350 kt, "Mohawk" test of fusion bomb on surface tower, Enewetak Atoll, July 2, 1956