American military show off a long range gun capable of firing nuclear shells.
Aberdeen, Maryland, United States of America.
TV as large piece of artillery ('An Atomic Gun') is transported to firing range. Views of gun crew setting up weapon which can hurls shells up to 12 miles. Soldiers turn gun past camera. A shell is loaded, followed by a charge. Range is set and the order to 'Fire' is given by an officer. The gun fires and rocks with the recoil. Another shot of the gun firing.
The weapon is probably known as an Atomic Gun as it is capable to firing nuclear shells.