The 94th Fighter Squadron (94 FS) is a unit of the United States Air Force 1st Operations Group located at Joint Base Langley–Eustis, Virginia. The 94th is equipped with the F-22 Raptor. The 94 FS is one of the oldest units in the United States Air Force, first being organized on 20 August 1917 as the 94th Aero Squadron at Kelly Field, Texas. The squadron deployed to France and fought on the Western Front during World War I as a pursuit squadron. It took part in the Champagne-Marne defensive; Aisne-Marne offensive; St. Mihiel offensive, and Meuse-Argonne offensive.