The 436th Training Squadron (436 TS) is a non-flying training squadron of the United States Air Force. It is assigned to the 7th Operations Group, Dyess Air Force Base, Texas The 436 TS is one of the oldest units in the United States Air Force, first being organized as the 88th Aero Squadron on 18 August 1917 at Kelly Field, Texas. The squadron deployed to France and fought on the Western Front during World War I as a Corps observation squadron.