T131 Heavy Motorized Gun

The T131 280mm heavy motorized gun was an experimental model of the M65 atomic cannon. Adopted in 1956, it could fire both nuclear and conventional shells at a range of over 18 miles. Made obsolete by the development of more mobile rockets, the cannon was retired in the mid-60s. Weighing 47 tons, the cannon was made mobile by a front and rear truck, giving it a maximum speed of 30 miles per hour.