When one thinks of 1960s nuclear weapons, one likely thinks of bombs carried by huge strategic bombers like the American B-52 Stratofortress or the then-Soviet Tu-95 Bear. You likely don't imagine ...

It wasn’t science fiction. In the 1950s, U.S. soldiers trained to use a portable nuclear weapon - the M-28 “Davy Crockett.” This Cold War device fired a 0.02-kiloton nuclear warhead and could ...