Senior Airman Grace Alva, 6th Comptroller Squadron lead defense travel administrator, trains Airman 1st Class Sandra Matos, 6th CPTS lead defense travel administrator, on the defense travel system at MacDill Air Force Base, Florida, July 10, 2014. Matos recently came to MacDill from technical training at Keesler AFB, Mississippi, for financial management. (U.S. Air Force photo/Airman 1st Class Tori Schultz)