JOINT BASE ANDREWS, Md.- Maj. Jon-Michael, 99th Airlift Squadron pilot, Joint Base Andrews, mentors middle school students from Baltimore Rising Stars Academy during the Air Traffic Control Association's 57th Annual Conference Exposition at the Gaylord Convention center, National Harbor, Md., Oct. 3, 2012. Calhoun stressed the importance of math and science in is career field. (U.S. Air Force photo/ Senior Airman Amber Russell)