Brig. Gen. Ron Solberg, the North Dakota National Guard assistant adjutant general for Air, right, administers the oath of office to Greg McDonald, the North Dakota National Guard human resource director, as he is promoted from the rank of lieutenant colonel to the rank of colonel at the North Dakota Air National Guard Base, Fargo, , Nov. 4, 2016.

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Keywords: archive, armed, defence, forces, military, reportage, servicemen, usa