Lance Cpl. Mike Jackson, a rifleman with Security Platoon, Maritime Raid Force, 24th Marine Expeditionary Unit, participates in physical training on the flight deck aboard the USS Iwo Jima, Oct. 21, 2014. Physical training is conducted to ensure physical readiness and to enhance cohesion within a unit. (U.S. Marine Corps photo by Todd F. Michalek)
Cpl. Todd Michalek
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