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Implosion Mark 2 – Another Manhattan Project plutonium implosion weapon, a hollow pit implosion design, was also sometimes referred to as Mark 2. Also cancelled 1944. Also cancelled 1944. Mark 3 – " Fat Man " plutonium implosion weapon (used against Nagasaki), effectively the same as the "Gadget" device used in the Trinity nuclear test with ...
Thin Man nuclear bomb or Mark 2 nuclear bomb (1945), a gun-type plutonium bomb; Mark II, a variant of the British Mark I tank; Merkava Mark II, a variant of the Israeli Merkava battle tank; Supermarine Spitfire Mk II, a Spitfire variant with a stronger Merlin engine
The "Thin Man" design was an early nuclear weapon design proposed before plutonium had been successfully bred in a nuclear reactor from the irradiation of uranium-238. It was assumed that plutonium, like uranium-235 , could be assembled into a critical mass by a gun-type method, which involved shooting one sub-critical piece into another.
The Mark 39 Mod 0 bomb was an offshoot of proposals to improve the Mark 15 nuclear bomb. The Mk 39 Mod 0 differed from the Mark 15 in that it used contact fuzes instead of proximity fuzes, and it had thermal batteries instead of nickel-cadmium batteries. It also weighed about 1,000 pounds (450 kg) less.
The Tybee Island mid-air collision was an incident on February 5, 1958, in which the United States Air Force lost a 7,600-pound (3,400 kg) Mark 15 nuclear bomb in the waters off Tybee Island near Savannah, Georgia, United States.
Fat Man Replica of the original Fat Man bomb Type Nuclear fission gravity bomb Place of origin United States Production history Designer Los Alamos Laboratory Produced 1945–1949 No. built 120 Specifications Mass 10,300 pounds (4,670 kg) Length 128 inches (3.3 m) Diameter 60 inches (1.5 m) Filling Plutonium Filling weight 6.2 kg Blast yield 21 kt (88 TJ) "Fat Man" (also known as Mark III) was ...
The two Mark 39 Mod 2 nuclear bombs involved in the Goldsboro crash had distinctly different outcomes. Official reports identified them as weapon no. 1 (or bomb no. 1) and weapon no. 2 (or bomb no. 2), with the first's parachute having deployed and the second having crashed into the ground in free-fall without any decrease in its speed.
Yellow Sun was the first British operational high-yield strategic nuclear weapon warhead. The name refers only to the outer casing; the warhead (or physics package) was known as "Green Grass" in Yellow Sun Mk.1 and "Red Snow" (a US design) in Yellow Sun Mk.2. Yellow Sun was designed to contain a variety of warheads.