Lance Cpl. Mario Melendez stands guard as fellow Marines clear a trench.
U.S. Marine Corps Lance Cpl. Mario Melendez, assigned to Fleet Antiterrorism Security Team Pacific, stands guard as fellow Marines clear a trench in a tactical movement exercise at Camp Rodriguez, South Korea, on March 1, 2012. Marines assigned to the antiterrorism security team trained at the Camp Rodriguez live fire complex during the exercise.