A C-17 Globemaster III offloads passengers and cargo under blackout conditions at an intermediate staging base established at Mackall Army Airfield, N.C. during Joint Operational Access Exercise 12-02, June 4, 2012. JOAX is a two-week exercise to prepare Air Force and Army service members to respond to worldwide crises and contingencies. (U.S. Air Force photo by Tech. Sgt. Parker Gyokeres)