Maj. Gen. Al Dohrmann, the in-coming North Dakota adjutant general, right, takes the oath of office being administered by Gen. Frank Grass, chief of the National Guard Bureau, as North Dakota Gov. Jack Dalrymple, seated, looks on during a change of command ceremony at the Raymond J. Bohn Armory, Bismarck, North Dakota, Dec. 13, 2015. Dohrmann is assuming command from retiring Maj. Gen. David Sprynczynatyk. (U.S. Air National Guard photo by Senior Master Sgt. David H Lipp/Released)