The 449th Expeditionary Flying Training Squadron is a provisional United States Air Force unit assigned to the 322d Air Expeditionary Group. In 2008, it was converted to an expeditionary unit on provisional status for activation by Air Combat Command any time after 28 October 2008. Its current status is undetermined. The squadron most recently was assigned to the 323d Flying Training Wing based at Mather Air Force Base, California. It operated T-37 Tweet and T-43 Bobcat aircraft conducting flight training for members of the United States military and foreign allies.