Royal Canadian Air Cadets from the 342nd Bedford Lions Squadron listen to a briefing at the 633rd Logistics Readiness Squadron during a tour of Langley Air Force Base, Va., March 12, 2014. The tour showed more than 30 cadets the U.S. military mission, teaching them about international partnerships. (U.S. Air Force photo by Airman 1st Class R. Alex Durbin/Released)