Atomic Annie

…shells; it was called an atomic cannon. Similar weapons were displayed by the U.S.S.R. in 1957. In later years, atomic explosives were fitted into shells small enough to be fired in standard artillery. See artillery.

…by the United States’ “Atomic Annie,” a 280-millimetre gun introduced in 1953. This fired a 15-kiloton atomic projectile to a range of 17 miles, but, weighing 85 tons, it proved too cumbersome for use in the field and was soon obsolete. In its place, nuclear projectiles with yields ranging…