MOVING INTO POSITION U.S. Marines move to their firing positions before conducting a multiple target, live-fire range on the flight deck of the USS Iwo Jima under way in the U.S. 5th Fleet area of responsibility, Aug. 19, 2012. The Marines, assigned to the 24th Marine Expeditionary Unit, conduct various exercises to keep their skills sharp during deployment. The unit serves as a theater reserve force for U.S. Central Command, providing support for maritime security operations and theater security cooperation efforts SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 369538-A-LOO53-011.jpg Photo Gallery