The 137th Special Operations Wing is a unit of the Oklahoma Air National Guard located at Will Rogers Air National Guard Base, Oklahoma. If activated to federal service, the wing is gained by Air Force Special Operations Command. During World War II, its predecessor, the 404th Fighter Group, flying Republic P-47 Thunderbolts, provided close air support to troops following the Operation Overlord, the Normandy landing until the close of the war. The wing is entitled to the honors won by the group by temporary bestowal.