U.S. Air Force Senior Airman Anthony Powell, command post journeyman, 315th Airlift Control Flight, Joint Base Charleston, S.C., sets up a line-of-sight radio antenna during Maple Flag 47 in Edmonton/Cold Lake, Alberta, Canada, May 30, 2014. Maple Flag is an international exercise designed to enhance the interoperability of C-130 aircrews, maintainers and support specialists in a simulated combat environment. (U.S. Air Force photo by Tech. Sgt. Matthew Smith/Released)