 Initially operating out of the Fort Dix Army Airfield, squadron was moved to the Atlantic City Municipal Airport, as part of the 59th Observation Group using O-46 and O-47 aircraft fling coastal patrol missions.On 18 October 1942, the 104th was inactivated and its personnel and aircraft transferred to the 517th Bombardment Squadron.The 517th was soon moved to Langley Field, Virginia, where it was re-designated as the 12th Antisubmarine Squadron and equipped with B-18 Bolo, and later B-24 Liberator and B-25 Mitchell bombers configured for antisubmarine attack missions.