Constituted as 378th Bombardment Group (Heavy) on 13 Oct 1942 and activated on 18 Oct. Assigned to AAF Antisubmarine Command. Engaged in patrol work along the east coast of the US, operating primarily with O-46's and O-47's. Inactivated on 14 Dec 1942.
Squadrons. 15th Antisubmarine (formerly 520th Bombardment): 1942. 17th Antisubmarine (formerly 522d Bombardment): 1942. 521st Bombardment: 1942. 523d Bombardment: 1942.
Stations. Langley Field, Va, 18 Oct 14 Dec 1942.
Commanders. Col Walter M Williams, 1942.
Campaigns. Antisubmarine, American Theater.
Data from Air Force Combat Units of World War II By Maurer, Maurer, Published 1986