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The operation consisted of 29 explosions, of which only two did not produce any nuclear yield.Twenty-one laboratories and government agencies were involved. While most Operation Plumbbob tests contributed to the development of warheads for intercontinental and intermediate range missiles, they also tested air defense and anti-submarine warheads with smaller yields.
A tactical nuclear weapon, it was manufactured starting in 1963, and all units were retired in 1992. It was known as the XM454 AFAP (artillery fired atomic projectile) in US service. The weapon was 34 inches (86 cm) long and weighed 120 pounds (54 kg), and was produced in two versions; the Mod 0 and Mod 1. Declassified British document give the ...
Originally it was known as the Admiralty Reactor Test Establishment (ARTE). For over 40 years Vulcan has been the cornerstone of the Royal Navy's nuclear propulsion programme, testing and proving the operation of five generations of reactor core. Its reactors have significantly led the operational submarine plants in terms of operation hours ...
A nuclear detonation detection system (NDDS) is a device or a series of devices that are able to indicate, and pinpoint a nuclear explosion has occurred as well as the direction of the explosion. The main purpose of these devices or systems was to verify compliance of countries that signed nuclear treaties such as the Partial Test Ban treaty of ...
Production of the W80 mod 1 (W80-1) to arm the ALCM started in January 1979, and a number of warheads had been completed by January 1981 when the first low-temperature test was carried out. To everyone's surprise the test delivered a much lower yield than was expected, apparently due to problems in the TATB based insensitive high explosives ...
Project Mogul (sometimes referred to as Operation Mogul) was a top secret project by the US Army Air Forces involving microphones flown on high-altitude balloons, whose primary purpose was long-distance detection of sound waves generated by Soviet atomic bomb tests. The project was carried out from 1947 until early 1949.
The Mod 1 corresponds to the Castle Nectar test of the Zombie weapon prototype. This test had a yield of 1.69 megatons of TNT (7.1 petajoules). [2] [3] The Mod 2 corresponds to the Redwing Cherokee nuclear test of the TX-15-X1 test model, and had a yield of 3.8 Mt (16 PJ). Redwing Cherokee was the first US thermonuclear bomb airdrop test. [4]
The Mark 7 nuclear weapon weighed about 1,600 pounds (730 kg). [6] It was fitted with one vertical retractable stabilizer fin that allowed it to fit better in or under some planes. [1] This was unique, and made it one of the first nuclear weapons to be streamlined enough to be carried on smaller planes. [7] The bomb’s diameter is 30 inches ...