Col. Schuster Promotion
U.S. Air Force Lt. Col. Timothy F. Schuster, 175th Maintenance Group commander, Maryland National Guard, right, recites the Commissioning Oath given by U.S. Air Force Col. David Mansfield during a promotion ceremony at Warfield Air National Guard Base, Baltimore, Md., on September 12, 2010. Col. Schuster, who was promoted from lieutenant colonel to colonel, was joined by family and friends. (U.S. Air Force photo by Staff Sgt. Benjamin Hughes/Released)