The 703d Tactical Air Support Squadron is an inactive United States Air Force unit. It was last assigned to the 507th Tactical Air Control Wing at Shaw Air Force Base, South Carolina, where it was inactivated in June 1988. Although inactivated at the end of the war, the squadron was activated in the reserves in 1948. It apparently was not fully manned or equipped before in was inactivated when Continental Air Command reorganized its reserve units under the Wing Base organizational plan.