B-roll of the 31st Security Forces Squadron Combat Arms Training and Maintenance team instructing 31 SFS Airmen on the M240B machine gun as part of the Security Forces Qualification Course at Aviano ...
With approximately 320,000 active-duty members, 105,000 members of the Air National Guard, and 69,000 members of the Air Force Reserve, the US Air Force is the second-largest service in terms of ...