7/31/2012 - Lt. Col. Christoff Gaub, 374th Civil Engineer Squadron commander, addresses his squadron for the first time during the 374 CES change of command ceremony July 30, 2012, at Yokota Air Base, Japan. Gaub took command of the squadron from the previous commander, Lt. Col. Wade Rawlins. (U.S. Air Force photo/Tech. Sgt. Samuel Morse)

7/31/2012 - Lt. Col. Christoff Gaub, 374th Civil Engineer Squadron commander, salutes members of his squadron for the first time during the 374 CES change of command ceremony July 30, 2012, at Yokota Air Base, Japan. The tradition of the military salute can be traced back to medieval knights raising their visors when passing their superiors. This age-old gesture is a universal symbol of mutual respect. (U.S. Air Force photo/Tech. Sgt. Samuel Morse)

7/31/2012 - Lt. Col. Christoff Gaub, 374th Civil Engineer Squadron commander, walks with his family following the 374 CES change of command ceremony July 30, 2012, at Yokota Air Base, Japan. The men and women of the squadron presented the members of the Gaub family with flowers, welcoming them to Yokota. (U.S. Air Force photo/Tech. Sgt. Samuel Morse)