At any given time, services may activate some units and individuals while deactivating others, making it possible for these figures to either increase or decrease. The total number currently on active duty from the Army National Guard and Army Reserve is 39,757; Navy Reserve, 4,311; Air National Guard and Air Force Reserve, 8,269; Marine Corps Reserve, 2,464; and the Coast Guard Reserve, 541. This brings the total National Guard and Reserve personnel who have been activated to 55,342, including both units and individual augmentees.