During the short take off and landing phase of the Mobility Air Forces Exercise, a Dover Air Force Base C-17 Globemaster lII lands on a dirt landing zone at the Nevada Test and Training Range near Nellis Air Force Base, Nev. The six-month, graduate-level course culminates in a massive airlift mission, called the Mobility Air Forces Exercise. More than 30 airlift assets and hundreds of support personnel from across the Air Force participate in the biannual training exercise. (U.S. Air Force photo/Staff Sgt. Taylor Worley)