190411-M-DB029-1093 CAMP PENDLETON,Calif. (April 11, 2019) U.S Navy Gas Turbine System Mechanical Technician 2nd Class Anna Wilson, mechanical supervisor, Assault Craft Unit 5 (ACU-5), Naval Beach Group 1, signals the operating crew that the hose is secured on to the valve of a Landing Craft Air Cushion (LCAC) during a fire drill exercise, at the ACU-5 flight line on Marine Corps Base Camp Pendleton, California, April 11, 2019. The LCAC is the primary landing craft utilized to move supplies and vehicles from shore to ship. (U.S. Marine Corps photo by Pfc. Andrew Cortez/Released)