Posted: 05/01/2010
C-17 Globemaster IIIs prepare to land at Nellis Air Force Base, Nev., May 19, 2010, after participating in a mobility exercise over the Nevada Test and Training Range. The exercise was part of the larger bi-annual U.S. Air Force Weapons School Mobility Air Forces exercise. (U.S. Air Force photo/Airman 1st Class Brett Clashman)