With an airfield security detachment in Hawaii. Familiarity with the operation of every part of a self-propelled 75 mm. gun is a "must" for the members of the gun crews of an airfield security detachment in Hawaii. Shown giving the gun close study are (left to right): Corporal Bonnie Hughes, Dallas, Texas; Sergeant Herman L. Lawson, Logan, West Virginia; Corporal Hurrell Adams Wheelright, Kentucky and Sergeant William F. Nelson, Cincinnati, Ohio