The Pentagon will eliminate the sole nuclear gravity bomb in the U.S. strategic weapons arsenal capable of blasting deeply buried underground structures as part of the Biden administration’s ...

The US Energy Department’s National Nuclear Security Administration announced plans to dispose of the B83-1 thermonuclear bomb at least six years ago ...

The B83 is one of two so-called “dumb” or unguided nuclear bombs that the United States maintains as a part of its post-Cold War Enduring Stockpile arsenal. Along with intercontinental ...

At nearly one and a half tons, the B83 is the largest nuclear bomb that the United States currently keeps. Its nuclear tiled is 1.2 megatons—significantly more powerful than either of the ...