 Testing at Ladd Field began again in 1942, but by 1943 aircraft cold-weather testing had become a second priority, as Ladd became the hub for fighters and bombers destined for the "Forgotten 1,000 Mile War" in the Aleutians against the Japanese or on their way to Soviet forces as part of the Lend-Lease program.Reflecting the need to insure aircraft bound for the Soviet Union were prepared for the flight to Galena and Nome, prior to flying across the Bering Straits to Siberia, Ladd AAF the Alaska Air Depot of XI AF Service Command was activated on 8 July 1942.The depot moved to Elmendorf Field in 1943, although some of its subordinate units remained until 1944.