A US Air Force (USAF) Jumpmaster for the 66th Pararescue Squadron (PJS), Nellis Air Force Base (AFB), Nevada (NV), sends his jumpers out of the rear cargo ramp door of a C-17A Globemaster III cargo aircraft from the 62nd Air Wing, McChord Air Force Base (AFB), Washington (WA), over a NV drop zone, during High Altitude, Low Opening (HALO) training mission