The M65 atomic cannon, often called Atomic Annie,: 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.
History
In 1949, Picatinny Arsenal was tasked with creating a nuclear-capable artillery piece. Robert Schwartz, the engineer who created the preliminary designs, essentially scaled up the 240 mm howitzer shell (then the maximum in the arsenal) to 280 mm and used the similarly sized German K5 railroad gun as a point of departure for the carriage. (The name Atomic Annie likely derives from the nickname Anzio Annie given to a pair of German K5 guns which were employed against the Allied landings in Italy.) The design was approved by the Pentagon, largely through the intervention of Samuel Feltman, chief of the ballistics section of the ordnance department's research and...