"The Piper Cub, used by U.S. Ground forces, an artillery Liaison plane is shown in flight after its conversion into a rocket firing craft by installation of bazooka guns under each wing. Mounted, three under each wing, the guns may be fired individually or in salvo. The bazooka mounts, attached to only a few Pipers, were initiated and developed by armament specialists at a 9th Air Force service command base in France."