Path of <a href="https://en.wikipedia.org/wiki/Nuclear_fallout" class="extiw" title="en:Nuclear fallout">nuclear fallout</a> plume after U.S. nuclear weapons test Bravo (yield 15 Mt) on <a href="https://en.wikipedia.org/wiki/Bikini_Atoll" class="extiw" title="en:Bikini Atoll">Bikini Atoll</a>. It is the single worst contamination accident in U.S. nuclear history. The test was part of the <a href="https://en.wikipedia.org/wiki/Operation_Castle" class="extiw" title="en:Operation Castle">Operation Castle</a>. The Bravo event was an experimental thermonuclear device surface event.
<a href="https://en.wikipedia.org/wiki/United_States_Department_of_Energy" class="extiw" title="en:United States Department of Energy">United States Department of Energy</a>
1954
<a rel="nofollow" class="external text" href="http://www.uscoldwar.com/">www.uscoldwar.com</a> Chuck Hansen, <i>The Swords of Armageddon: U.S. Nuclear Weapons Development Since 1945</i> (Sunnyvale, CA: Chukelea Publications, 1995).