Atomic Heritage Foundation

In partnership with the National Museum of Nuclear Science & History National Museum of Nuclear Science & History

Cold War History

Cold War History

Tsar Bomba

On October 30, 1961 the Soviet Union detonated the largest nuclear device in human history. The weapon, nicknamed Tsar Bomba, yielded approximately 50 megatons of TNT.

Cold War

The Cold War began shortly after WWII and plunged the world into a series of conflicts that would last more than forty years.

Operation Plumbbob - 1957

Operation Plumbbob was a series of 29 nuclear tests conducted by the U.S. military between May 28 and October 7, 1957, at the Nevada Test Site.

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