YOUNGSTOWN AIR RESERVE STATION, Ohio — U.S. Air Force Reserve skilled tradesmen with 910th Civil Engineers here, construct the roof of a new building Nov. 14, 2012 at the civil engineer training site here. The new training site will offer valuable training to civil engineer squadrons from several units, while adding usable training and exercise structures to YARS. Released/U.S. Air Force photo by Tech. Sgt. Brenda Cosola