The Davy Crockett battlefield nuclear weapon system ... The XM-388 was one of the smallest nuclear devices ever built, weighing just 76 pounds and measuring 30 inches long by 11 inches wide.

You likely don't imagine portable nuclear weapons unless you play a lot of the "Fallout" games or perhaps "Metal Gear Solid." However, that's exactly what the Davy Crockett Recoilless Rifle was ...

The yield of the device was the equivalent of the ... and at the Yuma Test Station in Arizona (without using nuclear warheads). The Davy Crockett System entered service with active units in ...

As the early fission devices used against Japan in August ... equal parts too much of a good thing and Pandora's nuclear briefcase. The Davy Crockett was designed as weapon of last resort due ...

This is the seventh in a 10-part series on nuclear risk, military technology ... Then there was the Davy Crockett warhead, which had a yield equivalent to just 20 tons of TNT.