Retired U.S. Air Force Maj. Gen. Alexander P. Macdonald, former adjutant general of the North Dakota Air National Guard, speaks during a press conference announcing the departure of the last C-21 aircraft in Fargo, N.D., Aug. 27, 2013. The aircraft is making its final flight for the NDANG before being retired at the National Museum of the U.S. Air Force. (U.S. Air National Guard photo by Senior Master Sgt. David H. Lipp/Released)