9/11 and a mother’s sacrifice inspires Airman to improve self, others
U.S. Air Force 1st Lt. Martin Caluag, 77th Fighter Squadron chief of intelligence, plays a game of chess at Shaw Air Force Base, S.C., Sept. 13, 2013. In his free time, Caluag teaches chess and math. (U.S. Air Force photo by Airman 1st Class Krystal M. Jeffers/Released)