Staff Sgt. Jose Castillo stands next to the wall of military patches above his desk at the 537th Airlift Squadron, Joint Base Elmendorf-Richardson, Alaska, March 28, 2012. The patches have been collected throughout his career and, for him, represent his commitment to his job. Castillo serves as the aviation resource management noncommissioned officer in charge. While serving there, he created a computer program called "iFly," that tracks training for pilots. (U.S. Air Force photo/Staff Sgt. Robert Barnett)
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