W80 (nuclear warhead)

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The W80 is a low to intermediate yield two-stage thermonuclear warhead deployed by the U.S. enduring stockpile with a variable yield ("dial-a-yield") of 5 or 150 kilotons of TNT (21 or 628 TJ). The warhead was designed for deployment on cruise missiles and is used in all nuclear-armed AGM-86 Air-Launched Cruise Missile (ALCM) and AGM-129 Advanced Cruise Missile (ACM) missiles deployed by the US Air Force, and in the US Navy's BGM-109 Tomahawk. It is essentially a modification of the widely deployed B61 bomb, which is the basis of most of the US stockpile of nuclear gravity bombs. The very similar W84 warhead was deployed on the retired BGM-109G Ground Launched Cruise Missile. It was designed at Los Alamos National Laboratory in Los Alamos, New Mexico.

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