Sergeant Nathaniel McDonald (front), motor transportation specialist, Transportation Support Detachment, Combat Logistics Battalion 15, 15th Marine Expeditionary Unit, and Sgt. Andy Alonso, the landing support chief with the unit, demonstrate bayonet techniques in the Marine Corps Martial Arts Program on the flight deck of the USS Rushmore, Aug. 16. The 15th MEU is embarked as part of the Peleliu Amphibious Ready Group during Certification Exercise, their final training before their deployment this fall. Alonso, 25, and McDonald, 28, are both from New York City.