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The weapon was designed and built by the Los Alamos National Laboratory in New Mexico. Production engineering began in 1965, with the first war-reserve B61-0 weapon ...
The Air Force now has the B-61-12 tactical nuclear bomb ready for operational use on its 20 B-2 Spirit stealth bombers.
The B61 bomb was developed by Los Alamos Scientific Laboratory (LASL; now Los Alamos National Laboratory) starting in 1960.The intent was to develop an aircraft bomb which was high yield (over 100 kilotons) and yet was small enough and had low enough drag to carry under the wing of a fighter or fighter-bomber type aircraft.
There have also been protests by anti-nuclear groups at the Y-12 Nuclear Weapons Plant, [108] the Idaho National Laboratory, [109] Yucca Mountain nuclear waste repository proposal, [110] the Hanford Site, the Nevada Test Site, [111] Lawrence Livermore National Laboratory, [112] and transportation of nuclear waste from the Los Alamos National ...
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 very similar W84 warhead was deployed on the retired BGM-109G Ground Launched Cruise Missile. It was designed at Los Alamos National Laboratory in Los Alamos, New Mexico.
Several units from the Los Alamos Scientific Laboratory were relocated to the Sandia Base in 1945 to use the Kirtland Field flight test facilities. Kirtland Field was designated Kirtland Air Force Base in 1947, and the Armed Forces Special Weapons Project (AFSWP) operated on Sandia Base.
Watchdogs are raising new concerns about legacy contamination in Los Alamos, the birthplace of the atomic bomb and home to a renewed effort to manufacture key components for nuclear weapons. A ...
The pits of the first nuclear weapons were solid, with an urchin neutron initiator in their center. The Gadget and Fat Man used pits made of 6.2 kg of solid hot pressed plutonium-gallium alloy (at 400 °C and 200 MPa in steel dies – 750 °F and 29,000 psi) half-spheres of 9.2 cm (3.6 in) diameter, with a 2.5 cm (1 in) internal cavity for the initiator.