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Buildings around Ashley Pond at the Los Alamos Project Y Site in 1942
The Los Alamos Ranch School buildings in 1942, which became part of the Los Alamos Project Y site.
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A billowing white mushroom cloud, mottled with orange, pushes through a layer of clouds during Operation Ivy, the first test of a hydrogen bomb, at Enewetak Atoll in the Marshall Islands.
A mushroom cloud produced by the first test of a hydrogen bomb during Operation Ivy at Enewetak Atoll in the Marshall Islands.
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Trinity Test
The mushroom cloud of the first atomic explosion at Trinity Test Site near Alamagordo, New Mexico.