A Marine tail gunnery instructor with Marine Medium Tiltrotor Squadron 365 loads a GAU-16 .50 caliber machine gun on the ramp of an MV-22B Osprey in the skies over Piney Island Bombing Range, Sept. 15, 2015. The crew flew over Bombing Target 11 to assault targets resembling a convoy, barge and landing craft. (U.S. Marine Corps photo by Cpl. Paul S. Martinez/Released)
<br>Unit: II Marine Expeditionary Force
Cpl. Paul S. Martinez
Taken on 15 September 2015
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