8/17/2012 - Lt. Gen. James F. Jackson, right, recites the oath of office to Air Force Chief of Staff Mark A. Welsh III during a ceremony in the Pentagon, Aug. 16, 2012. In addition to the promotion ceremony, Jackson was presented the Distinguished Service Medal for serving as deputy to the chief of Air Force Reserve. Jackson is the commander of Air Force Reserve Command and chief of the Air Force Reserve. (U.S. Air Force photo/Scott M. Ash)