U.S. Air Force Airmen load magazines with 9 mm rounds before qualifying at the Combat Arms Training and Maintenance range at Langley Air Force Base, Va., Oct. 30, 2015. Airmen attended a two-hour classroom session to become familiar with the Berretta M9 pistol prior to the firing portion. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)

A U.S. Air Force Airman fires a Berretta M9 pistol at the Combat Arms Training and Maintenance range at Langley Air Force Base, Va., Oct. 30, 2015. To qualify with the M9, Airmen must hit targets at seven, 15 and 25 meters away. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)

A U.S. Air Force Airman holsters a 9 mm pistol at the Combat Arms Training and Maintenance range at Langley Air Force Base, Va., Oct. 30, 2015. Airmen fired approximately 90 rounds with the Berretta M9 pistol during the hour-long live-fire exercise. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)

U.S. Air Force Lt. Col. Mo Calabrese, Air Combat Command branch chief, fires a Berretta M9 pistol at the Combat Arms Training and Maintenance range at Langley Air Force Base, Va., Oct. 30, 2015. Calabrese tested on several different components, positions and distances to become qualified with the M9 pistol. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)