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The B61 nuclear bomb is the primary thermonuclear gravity bomb in the United States Enduring Stockpile following the end of the Cold War. It is a low-to-intermediate yield strategic and tactical nuclear weapon featuring a two-stage radiation implosion design.
The overall B61 bomb is 13.3 inches (340 mm) in diameter and 141 inches (3,600 mm) long, and weighs approximately 700 pounds (320 kg) across most mods. The nuclear device within the outer B61 envelope is probably the same overall dimensions and weight as the W80 warhead, which is 11.8 inches (300 mm) in diameter, 31.4 inches (800 mm) long and ...
W81 warhead and SM-2 missile. The W81 was a planned American warhead to be mounted on the SM-2 surface-to-air missile used by the United States Navy.The W81 was believed to be derived from the B61 nuclear bomb which forms the backbone of the current US nuclear gravity bomb arsenal and from which the W80 cruise missile warhead is derived.
It was designed for deployment on cruise missiles and is the warhead used in all nuclear-armed ALCM and ACM missiles deployed by the US Air Force, and in the US Navy's BGM-109 Tomahawk. It is essentially a modification of the widely deployed B61 weapon, which forms the basis of most of the current US stockpile of nuclear gravity bombs.
The strategic weapons included 1,490 ICBM warheads, 2,736 submarine-launched ballistic missile warheads, 1,660 bomber weapons such as strategic B61 and B83 gravity bombs, AGM-86 ALCM and several hundred spare warheads. The tactical weapons consist of 800 tactical B61 gravity bombs and 320 nuclear warheads for Tomahawk missiles.
The weapon was reportedly derived from the B61 nuclear bomb and had a diameter of 17 inches (430 mm). [3] Condor was to weigh 2,130 pounds (970 kg) at launch and carry a 286 kilograms (631 lb) warhead. It is unclear if the weight given is for the conventional or nuclear-armed version of the Condor. [2]
A B61 nuclear bomb in various stages of assembly; the nuclear warhead is the bullet-shaped silver canister in the middle-left of the photograph.. A warhead is the section of a device that contains the explosive agent or toxic (biological, chemical, or nuclear) material that is delivered by a missile, rocket, torpedo, or bomb.
The W84 is a derivative of the B61 nuclear bomb design and is a close relative of the W80 warhead used on the AGM-86 ALCM, AGM-129 ACM, and BGM-109 Tomahawk SLCM cruise missiles. It is a two-stage radiation implosion warhead with a variable yield ranging from 0.2 kiloton up to 150 kilotons.