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The M65 atomic cannon, often called Atomic Annie, [6]: 92 was an artillery piece built by the United States and capable of firing a nuclear device. It was developed in the early 1950s, at the beginning of the Cold War; and fielded between April 1955 and December 1962, in West Germany, South Korea and on Okinawa.
M65 Atomic Cannon delivering 280mm W9 and W19 nuclear shells, 1953–1963. MGM-5 Corporal missile delivering W7 nuclear weapon, 1955–1964. 16"/50 caliber Mark 7 gun on the Iowa-class battleship delivering 406 mm W23 nuclear shells, 1956–1962. PGM-11 Redstone missile delivering the W39 nuclear weapon, 1958–1964
The US M65 cannon was introduced in 1952 and deployed in Germany in 1953. The Soviet Union started its own program to develop a 406mm self-propelled howitzer capable of firing nuclear projectiles, codenamed Objekt 271. [1] Grabin Design Bureau completed the artillery system in 1955.
Test of the M65 atomic cannon using the W9 artillery shell during the Upshot-Knothole Grable test on May 25, 1953. Test of the Davy Crockett recoilless gun during Little Feller I test on July 17, 1962. The USA also conducted one live weapons test involving a missile launched nuclear depth charge:
The W9 is only the second gun-type nuclear weapon known to have been detonated; the first was the Little Boy nuclear weapon used in World War II. The W9 artillery shell was test fired once, fired from the "Atomic Annie" M65 Atomic Cannon, in Upshot-Knothole Grable on May 25, 1953 at the NTS. Yield was the expected 15 kilotons.
From 1955–56 to 1960, [18] the 663rd Field Artillery Battalion operated the Army's 280mm M65 Atomic Cannon ("Atomic Annie") from Okinawa. In the 1960s, nuclear storage locations included four MGM-13 Mace missile sites, Chibana at Kadena Air Base , Naha Air Base , Henoko [Camp Henoko (Ordnance Ammunition Depot) at Camp Schwab ], and the Army ...
Early 15th-century Flemish giant cannon Dulle Griet at Ghent (caliber of 660 mm). This list contains all types of cannon through the ages listed in decreasing caliber size. For the purpose of this list, the development of large-calibre artillery can be divided into three periods, based on the kind of projectiles used, due to their dissimilar characteristics, and being practically ...
In periods of peace, the arsenal made important contributions to progress in the areas of radar, pyrotechnics, missiles, time fuzes, and nuclear munitions, including the M65 atomic cannon 280mm howitzer known as "Atomic Annie") When war broke out again, it gave troops in Vietnam a complete family of 40 mm ammunition for grenade launchers and ...