Here's a look at the "Davy Crockett bomb," the world's smallest nuke
Known as the “Davy Crockett bomb,” America’s smallest-ever nuclear weapon packed a relatively small punch when compared to its larger cousins — between a 10 and 250-kiloton yield.
But what it lacked in straight firepower, it made up for in ease of transport and delivery. It could be employed by a three-man team, and its launcher could be mounted directly on a Jeep.
Since it wasn’t actually a bomb, it was more properly labeled by its full name: the Davy Crockett Atomic Battle Group Delivery System. The weapon was a recoilless rifle that came in two calibers, 120mm and 155mm.
It could fire conventional warheads but its big draw was the ability to fire a W-54 warhead with a variable yield between 10 and 250 kilotons. This would have allowed American infantrymen in Eastern Europe to directly counter Soviet armored units if the Cold War went hot.
The immediate blast from the W54 would have killed tanks in the center while radiation poisoning would have killed most tank crews within a quarter mile of the epicenter.
Check out more about the weapon in the video below: