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Ivy King was the largest pure-fission nuclear bomb ever tested by the United States. [1] The bomb was tested during the Truman administration as part of Operation Ivy.This series of tests involved the development of very powerful nuclear weapons in response to the nuclear weapons program of the Soviet Union.
RDS-27, 250 kiloton bomb, a 'boosted' fission bomb tested 6 November 1955. RDS-37, 3 megaton bomb, the first Soviet two-stage hydrogen bomb, tested 22 November 1955; RDS-220 Tsar Bomba an extremely large three stage bomb, initially designed as a 100-megaton-bomb, but was scaled down to 50 megatons for testing. Intercontinental Ballistic Missiles
Orange Herald fireball and subsequent mushroom cloud, film reel captured from a trailing aircraft. Orange Herald was a British nuclear weapon, tested on 31 May 1957.At the time it was reported as an H-bomb, although in fact it was a large boosted fission weapon and remains to date, the largest fission device ever detonated.
The Operation Crossroads series in July 1946, at Bikini Atoll in the Marshall Islands, was the first postwar test series and one of the largest military operations in U.S. history. The Operation Greenhouse shots of May 1951, at Enewetak Atoll in the Marshall Islands, included the first boosted fission weapon test (named Item ) and a scientific ...
The bomb was detonated on November 1, 1952, on Elugelab Island yielding 10.4 megatons, almost 500 times the yield of the bomb dropped on Nagasaki, resulting in the total vaporization of the island. Eight megatons of the yield were from fast fission of the uranium tamper, creating massive amounts of radioactive fallout.
The largest pure-fission bomb ever constructed, Ivy King, had a 500 kilotonne yield, [2] which is probably in the range of the upper limit on such designs. [ citation needed ] Fusion boosting could likely raise the efficiency of such a weapon significantly, but eventually all fission-based weapons have an upper yield limit due to the ...
The first test, Green Granite, was a prototype fusion bomb that failed to produce equivalent yields compared to the U.S. and Soviets, achieving only approximately 300 kt (1,300 TJ). The second test Orange Herald was the modified fission bomb and produced 720 kt (3,000 TJ)—making it the largest fission explosion ever. At the time almost ...
The Mark 18 nuclear bomb, also known as the SOB or Super Oralloy Bomb, was an American nuclear bomb design which was the highest yield fission bomb produced by the US. The Mark 18 had a design yield of 500 kilotons. Nuclear weapon designer Ted Taylor was the lead designer for the Mark 18.