U.S. Army jumpmasters from the 82nd Airborne Division, Fort Bragg, N.C., prepare for a nighttime aerial insertion from a C-17 Globemaster III cargo aircraft based at Joint Base Charleston, S.C., during a joint forcible entry exercise June 22, 2010. JFEX is a week-long exercise conducted six times a year to enhance cohesion between the Army and Air Force through large-scale heavy equipment and troop movements. (U.S. Air Force photo/Staff Sgt. Angelita M. Lawrence)

U.S. Soldiers from the 82nd Airborne Division, Fort Bragg, N.C., sit onboard a C-17 Globemaster III cargo aircraft based at Joint Base Charleston, S.C., as they travel to their destination to perform a nighttime aerial insertion during a joint forcible entry exercise June 22, 2010. (U.S. Air Force photo/Staff Sgt. Angelita M. Lawrence)

U.S. Army paratroopers from the 82nd Airborne Division, Fort Bragg, N.C., jump from a C-17 Globemaster III cargo aircraft during a joint forcible entry exercise June 21, 2010. The purpose of the JFEX is to re-establish forcible entry capability through air power by combining Army and Air Force training needs. (DoD photo/Tech. Sgt. Tony Tolley/U.S. Air Force)

A U.S. Army paratrooper from the 330th Transportation Brigade, Fort Bragg, N.C., performs an airborne insertion from a C-17 Globemaster III cargo aircraft based at Joint Base Charleston, S.C., during a joint forcible entry exercise June 21, 2010. The JFEX is designed to enhance cohesion between the Army and Air Force through large-scale heavy equipment and troop movements. (U.S. Air Force photo/Staff Sgt. Angelita M. Lawrence)

U.S. Army Staff Sgt. Christopher Emmons, with the 330th Movement Control Battalion, 647th Quartermaster Company, Fort Bragg, N.C., prepares to perform an airborne insertion from a C-17 Globemaster III cargo aircraft based at Joint Base Charleston, S.C., during a joint forcible entry exercise June 21, 2010. JFEX is a week-long exercise conducted six times a year. (U.S. Air Force photo/Staff Sgt. Angelita M. Lawrence)

The tail of a Charleston C-17 fills the sky as U.S. Soldiers wait to board on the flightline at Pope Air Force Base, N.C., during a joint forcible entry exercise June 21, 2010. More than 98 service members performed an airborne insertion from the C-17 during the JFEX. JFEX, which is a week-long exercise conducted six times a year by Soldiers from Fort Bragg and Airmen from Pope AFB and Joint Base Charleston, is designed to enhance cohesion between the Army and Air Force through large-scale heavy equipment and troop movements. (U.S. Air Force photo by Staff Sgt. Angelita M. Lawrence/Released)

A U.S. Soldier parachutes from a C-17 Globemaster III cargo aircraft based at Joint Base Charleston, S.C., during a joint forcible entry exercise June 21, 2010. More than 98 service members performed an airborne insertion from C-17s during the JFEX. (U.S. Air Force photo/Staff Sgt. Angelita M. Lawrence)

A U.S. Army paratrooper parachutes from a C-17 Globemaster III cargo aircraft from Joint Base Charleston, S.C., during a joint forcible entry exercise June 21, 2010. The 82nd Airborne Division, Fort Bragg, N.C., uses JFEX to train for real-world contingency operations. (U.S. Air Force photo/Staff Sgt.Tim Chacon)