Cpl. William Cox shields himself from flying rocks and sand as an MV-22 Osprey aircraft prepares to take off.
U.S. Marine Corps Cpl. William Cox shields himself from flying rocks and sand as an MV-22 Osprey aircraft prepares to take off in Nimroz province, Afghanistan, on Dec. 30, 2011. Cox is an armorer assigned to the Joint Sustainment Academy Southwest.