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Exposed wiring of The Gadget, the nuclear device which exploded as part of Trinity, the first nuclear weapons test of an atomic bomb. At the time of this photo, the device was being prepared for its detonation, which took place on July 16, 1945.(U.S. Department of Defense)
Los Alamos director J. Robert Oppenheimer is seen in silhouette as he oversees final assembly of The Gadget at the Trinity test site in July of 1945. (U.S. Department of Defense)
Jumbo, a 200-ton steel canister designed to recover the plutonium used in the Trinity test in the event that the explosives used were unable to trigger a chain reaction. In the end, Jumbo wasn't used for recovery, but was placed near ground zero to help gauge the effects of the blast. It survived intact, but its support tower did not. (U.S. Department of Defense)
The expanding fireball and shockwave of the Trinity explosion, seen .025 seconds after detonation on July 16, 1945.(U.S. Department of Defense)
A fireball begins to rise, and the world's first atomic mushroom cloud begins to form, nine seconds after Trinity detonated on July 16, 1945.(U.S. Department of Defense)
A massive column of water rises from the sea as the U.S. detonate an atom bomb at Bikini Atoll in the Pacific in the first underwater test of the device, July 25, 1946. (AP Photo)
Complete destruction of House No. 1, located 3,500 feet from ground zero, by an atomic blast on March 17, 1953, at Yucca Flat at the Nevada Proving Ground. The time from the first to last picture was 2.3 seconds. The camera was completely enclosed in a 2-inch lead sheath as a protection against radiation. The only source of light was that from the bomb. In frame 1, the house is lit by the blast. By frame 2 the radiating energy has set it on fire, and the remaining frames show the rapid disintegration of the house by the blast wComplete destruction of House No. 1, located 3,500 feet from ground zero, by an atomic blast on March 17, 1953, at Yucca Flat at the Nevada Proving Ground. The time from the first to last picture was 2.3 seconds. The camera was completely enclosed in a 2-inch lead sheath as a protection against radiation. The only source of light was that from the bomb. In frame 1, the house is lit by the blast. By frame 2 the radiating energy has set it on fire, and the remaining frames show the rapid disintegration of the house by the blast wave.(U.S. Department of Defense)
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