The "Baker" explosion, part of Operation Crossroads, a nuclear weapon test by the United States military at Bikini Atoll, Micronesia, on july 25th 1946. Photo taken by the United States Department of Defense (either the U.S. Army or the U.S. Navy) derivative work of Victorrocha (Wikipedia), 03/06/2009.

The “Baker” explosion, part of Operation Crossroads, a nuclear weapon test by the United States military at Bikini Atoll, Micronesia, on july 25th 1946. Photo taken by the United States Department of Defense (either the U.S. Army or the U.S. Navy) derivative work of Victorrocha (Wikipedia), 03/06/2009.