T131 atomic cannon

USA T131 280mm Heavy Motorized Gun

This is the experimental model of the M65 atomic cannon. Adopted in 1956, the cannon could fire both nuclear and conventional shells up to 18 miles. The cannon weighs 47 tons and is mobile. The prime mover consists of both a front and a rear truck that can reach a maximum speed of 30 mph. The atomic cannon was replaced by more mobile rockets in the mid 1960s.