 Also, the wing controlled specialized schools for Liaison Pilots using the Stinson L-5 Grasshopper, and Women Airforce Service Pilots (WASP) primary training was conducted exclusively at Avenger Field, Sweetwater, Texas.Following the fall of France in 1940, the Air Corps upped its pilot production goal to 7,000 per year.To meet that goal, the Air Corps increased the capacity of its schools and added more contract primary schools.