Marshall Army Airfield (MAAF) (IATA: FRI, ICAO: KFRI) is a military airfield located on Fort Riley, Kansas, United States. It was opened in 1921. The primary mission of MAAF is to provide fully integrated fixed base helicopter operations for the Combat Aviation Brigade, 1st Infantry Division. Airfield operations and services include Base Flight Operations, Control Tower, and Ground Approach Control Facility; USAF weather; Airport Safety; Air Space Management; Flight Simulator; Rapid Refuel Facility; and Crash/Fire/Rescue station. The airfield has an FAA approved instrument approach.