Retired U.S. Air Force Maj. Gen. Alexander P. Macdonald, the former North Dakota adjutant general salutes unit members of the 119th Wing as he addresses them, along with civilian journalists, at a press conference, prior to the departure of the last C-21 aircraft from the North Dakota Air National Guard Base in Fargo, N.D., Aug. 27, 2013. The aircraft is making its final flight for the unit before being retired at the National Museum of the U.S. Air Force in Dayton, Ohio. (U.S. Air National Guard photo by Senior Master Sgt. David H. Lipp/Released)