Davison Army Airfield or Davison AAF (IATA: DAA, ICAO: KDAA, FAA LID: DAA) is a military use airport serving Fort Belvoir, in Fairfax County, Virginia, United States. The airfield is located 15 miles (24 km) southwest of Washington, D.C. It was named for noted World War II aviation engineer Brig. Gen. Donald Angus Davison. The Civil Air Patrol National Capitol Wing uses a small tower for use during exercises and flights, and bases their 4 Cessna 172 and 182's there.