The B83 is a variable-yield thermonuclear gravity bomb developed by the United States in the late 1970s that entered service in 1983. With a maximum yield of 1.2 megatonnes of TNT (5.0 PJ), it has been the most powerful nuclear weapon in the United States nuclear arsenal since October 25, 2011 after retirement of the B53 . [ 1 ]

Nov 11, 1997 · The B83 has a 46 ft Kevlar-nylon ribbon parachute, held by 60 Kevlar suspension lines, and deployed by three 4-ft diameter pilot chutes. The 180 lb parachute system can reduce bomb velocity from Mach 0.93 to 65 ft/sec (44 mph) within just a few seconds.

Nov 22, 2020 · 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...

With a yield of 1.2 megatons—roughly 80 times that of the bomb that killed more than 70,000 people in Hiroshima in 1945—the B83 gravity bomb is by far the most destructive weapon in the US nuclear arsenal.

Jul 5, 2020 · 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...

Oct 27, 2023 · Experts say this new higher-yield nuclear bomb appears intended to pave the way for retiring the older B83 megaton bomb.

The B-83 nuclear weapon is a variable-yield gravity bomb developed by the United States in the late 1970s, entering service in 1983. With a maximum yield of 1.2 megatons (75 times the yield of the atomic bomb "Little Boy" dropped on Hiroshima on August 6, …

The B83 is a nuclear gravity bomb designed for use with the B-52 Stratofortress and B-1B Lancer strategic bombers. It replaced several older design nuclear bombs in the U.S. arsenal, including the B28, B43 and B53.

In 1983, the US nuclear arsenal acquired the B83 strategic nuclear gravity bomb. The B-52H, B-1B, and B-2 bombers all can carry it. The B83 has delivery and fuzing options that include...

May 19, 2022 · The hearings previewed what is likely to be a renewed debate over retiring the B83 megaton gravity bomb as Congress drafts the annual defense authorization bill, starting in June.