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.

MAAF is the home of the Combat Aviation Brigade, 1st Infantry Division, which currently has approximately 2,200 Soldiers assigned. The brigade currently has Black Hawks, Apaches and Chinooks at Fort Riley — the number fluctuates as aircraft go through maintenance and reset rotations.

The unit is expecting nearly 120 aircraft total, including Kiowas. Co. A, 158th Aviation Regiment (AVIM), and numerous other military and civilian organizations.