 In 1943, a replica of a Japanese cruiser, nicknamed "Muroc Maru", was constructed in Rogers Dry Lake where it was used for bombing training until 1950.With the end of the war, Fourth Air Force relinquished command of Muroc Army Airfield on 16 October 1945 and jurisdiction was transferred to Air Technical Service Command, becoming Air Materiel Command in 1946.Test work on the Lockheed P-80 Shooting Star was the primary mission of the base for the greater part of the fall of 1945.