One Picture, One Story – Nuclear bomb test, 1953

Upshot-Knothole Grable, a test carried out by the U.S. military in Nevada on May 25, 1953.

A 280mm nuclear shell was fired 10km into the desert by the M65 Atomic Cannon, detonating in the air, about 500 feet above the ground, with a resulting 15 kiloton explosion. (U.S. Department of Defense)

source: http://www.retronaut.

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