High Quality Content by WIKIPEDIA articles! Wright-Patterson Air Force Base (AFB) (IATA: FFO, ICAO: KFFO, FAA LID: FFO) is a United States Air Force base in Greene and Montgomery counties in the state of Ohio. It includes both Wright and Patterson Fields, which were originally Wilbur Wright Field and Fairfield Aviation General Supply Depot. Patterson Field is located approximately 10 miles (16 km) northeast of Dayton; Wright Field is located approximately 5 miles (8.0 km) northeast of Dayton. Wright-Patterson AFB is the largest base of the United States Air Force.