Operation Hardtack - De Baca Test. A mushroom cloud rises from the desert floor at the Nevada Test Site. The nuclear test was a balloon burst detonated 26 October 1958. Since July 1962, all NTS weapons tests have been underground.
WW1: Two German soldiers, wearing their gas masks, pose with their mule, which has been barely fitted with a personnel gas mask as well. The poor mule of course stood no chance of surviving a gas attack with such "protection." 1916.