The 1st Search Attack Group was a United States Army Air Forces (AAF) unit. Its last assignment was with the First Air Force. The mission of the group was the development of equipment and tactics best suited for aerial anti-submarine warfare. It was based at Langley Field, Virginia throughout its existence, and equipped with B-17, B-18, and B-24 aircraft. It was disbanded on 20 April 1943, but was reconstituted in 1985 as the 365th Electronic Warfare Group.