A 21 kiloton underwater <a href="//commons.wikimedia.org/wiki/Nuclear_weapon" class="mw-redirect" title="Nuclear weapon">nuclear weapons</a> effects test, known as Operation CROSSROADS (Event Baker), conducted at <a href="//commons.wikimedia.org/wiki/Bikini_Atoll" class="mw-redirect" title="Bikini Atoll">Bikini Atoll</a> (<a href="//commons.wikimedia.org/wiki/1946" title="1946">1946</a>).
U.S. Army Photographic Signal Corps
1946-07-25
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