MARINE CORPS AIR STATION MIRAMAR, Calif. – Marines with Headquarters and Headquarters Squadron traverse uphill during a five mile hike aboard Marine Corps Air Station Miramar, Calif., April 18. The Marines participated in professional military education classes and fired M4 shotguns and M16 rifles at Carlos Hathcock Range. - MARINE CORPS AIR STATION MIRAMAR, Calif. – Marines with Headquarters and Headquarters Squadron traverse uphill during a five mile hike aboard Marine Corps Air Station Miramar, Calif., April 18. The Marines participated in professional military education classes and fired M4 shotguns and M16 rifles at Carlos Hathcock Range.