JOINT BASE ANDREWS, Md.- Staff Sgt. Jeffrey Grant, 779th Aerospace Medicine Squadron aerospace and operational physiology journeyman, and Daniel Steele, North Point High School student, explore remote technology at the Air Traffic Control Association's 57th Annual Conference Exposition at the Gaylord Convention center, National Harbor, Md., Oct. 3, 2012. Many exhibits demonstrated surveillance and information technology used in the aviation industry. (U.S. Air Force photo/ Senior Airman Amber Russell)