Marines with Security Platoon, Maritime Raid Force, 24th Marine Expeditionary Unit, perform practice drills with an M240B machine gun in the hangar bay aboard the USS Iwo Jima, Oct. 25, 2014. The Marines are participating in their final exercise as part of Composite Training Unit Exercise before their deployment at the end of the year. (U.S. Marine Corps photo by Cpl. Todd F. Michalek)
Cpl. Todd Michalek
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