Motivated by education, opportunity: Airman finds second home with Air Force
U.S. Air Force Airman 1st Class Bin Ma, 20th Comptroller Squadron financial services technician, holds his letter from president Barak Obama congratulating him on becoming a citizen of the United States, Shaw Air Force Base, S.C., July 31, 2015. Ma arrived in the United States seven years ago from Muhan, China, and received his U.S. citizenship in January 2015. (U.S. Air Force photo by Senior Airman Diana M. Cossaboom/Released)