The B61-13 nuclear bomb has a maximum yield of 360 kilotons and is 24 more times more powerful than the "Little Boy" atomic ...

The most recent life extension saw the older modifications of the bombs being replaced to extend the weapon’s service life by at least 20 years, resulting in a high-reliability stockpile.

The B61-13 is designed to have a 360-kiloton payload — equivalent to 361,000 tons of TNT — according to Interesting Engineering. In contrast, “Little Boy,” the atomic bomb dropped on ...