The 535th Airlift Squadron is part of the 15th Wing at Joint Base Pearl Harbor–Hickam, Hawaii. It operates C-17 Globemaster III aircraft providing airlift in the Pacific theater. The squadron was first established during World War II as the 535th Fighter Squadron. It served as a Replacement Training Unit for Republic P-47 Thunderbolt pilots until it was disbanded in a major reorganization of the Army Air Forces in 1944 designed to streamline training organizations. In 1949, the squadron was reactivated in the Air Force Reserve and served as a corollary unit of the active duty 27th Fighter Group and later, as the 535th Fighter-Escort Squadron of the 12th Fighter-Escort Group until it was ordered to active service in 1951. Its personnel were used to man active duty units and the squadron was