Developed at the beginning of the Cold War in the early 1950's as a tactical Nuclear Weapon, the M65 Atomic Cannon, named "Atomic Annie" was 86 tons, 85 feet long, and 10 feet wide. It fired a 15 Kiloton neclear warhead at 2,500 feet per second. Around 20 cannons were produced. It was deplayed in West Germany, South Korea and Okinawa, and transported on land via flatcars to its destination and then moved into position by integrated push/pull tractors.