U.S. Army soldiers with the 82nd Airborne Division board an Air Force C-17 Globemaster III aircraft at Pope Air Force Base, N.C., during a mobility air forces exercise on Nov. 18, 2009. The biannual event is planned by students enrolled in the Air Force Weapons School at Nellis Air Force Base, Nev., and is executed by active-duty, Reserve and Guard airmen from across the U.S. in coordination with Army partners.