Combat Lifesaver Course recertification instructor Petty Officer 2nd Class Henry Ortiz, a corpsman with 4th Medical Battalion and a native of Phoenix, Ariz., prepares a nasopharyngeal for a demonstration July 5, 2012. Javelin Thrust is an annual large-scale exercise at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., which allows active and reserve Marines and sailors from 38 different states to train together as a seamless Marine Air Ground Task Force.