A U.S. Army UH-60 Black Hawk helicopter prepares to depart the Holland drop zone with paratroopers assigned to the 82 nd Airborne Division during Joint Operational Access Exercise (JOAX) 13-03, at Fort Bragg, N.C., June 27, 2013. JOAX is designed to enhance cohesiveness between U.S. Army, Air Force and allied personnel, allowing the services an opportunity to properly execute large-scale heavy equipment and troop movement.