Senior Airman Charles Sothikhoun, right, makes his daily rounds with his backpack at Kunsan Air Base, South Korea, Sept. 20, 2012. Dubbed as Kunsan AB’s unofficial “Wingman,” he said his goal in helping people is to make sure nobody gets in trouble, is forgotten or is left alone. (U.S. Air Force photo/Senior Airman Brigitte N. Brantley)