US Navy 100421-N-4965F-251 Master-at-Arms 3rd Class Nicole Gann, assigned to Maritime Expeditionary Security Squadron (MSRON) 3, guards an entry control point with a .50-caliber machine gun at a simulated forward operating base
Автор: U.S. Navy photo by Mass Communication Specialist 1st Class James E. FoehlИсточник: commons.wikimedia.org