MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - Cpl. Kevin McClernon from Marine Heavy Helicopter Squadron 772 signals an AH-1W Super Cobra helicopter to hover after refueling at the Strategic Expeditionary Landing Field here during Exercise Javelin Thrust 2012. Javelin Thrust is an annual large-scale exercise which allows active and reserve Marines and Sailors from 38 different states to train together as a seamless Marine Air Ground Task Force. (Marine Corps Photo by Sergeant Kevin M. Okamura/Released)