U.S. Navy Engineman 2nd Class Jerediah, manning a .50 caliber machine gun, and MASTER at Arms SEAMAN Brenna Karleskind, armed with a 5.56 mm M16A2 rifle with 40 mm M203 grenade launcher, provide security at an entry control point during Exercise Seahawk 2006 at Naval Amphibious Base Coronado, Calif., on Aug. 30, 2006. Seahawk 2006 is a combined anti-terrorism and force protection training involving units under the U.S. Navy Expeditionary Combat Command (NECC) on the West Coast and Sailors from commands based in California, Washington and Oregon. (U.S. Navy photo by Mass Communication SPECIALIST 2nd Class Jennifer A. Villalovos) (RELEASED)