Senior Airman Brett Clashman, 99th Air Base Wing Public Affairs photojournalist, takes photos from the back of a C-17 Globemaster III during the Joint Forcible Entry exercise May 31, 2013, over the Nevada Test and Training Range. During the exercise, C-17s dropped personnel and heavy equipment into simulated contested drop zones. (U.S. Air Force photo by Airman 1st Class Joshua Kleinholz).