MARINE CORPS BASE HAWAII - Pfc. Oswaldo Cruz, a crewmen assigned to Combat Assault Company, and San Francisco native, transports troops in an amphibious assault vehicle, in a simulated mission at Fort Hase Beach, Sept. 16, 2014. CAC, a non-deployable unit, supports the infantry in their predeployment training, Exercise Island Viper. (U.S. Marine Corps photo by Lance Cpl. Brittney Vella) - MARINE CORPS BASE HAWAII - Pfc. Oswaldo Cruz, a crewmen assigned to Combat Assault Company, and San Francisco native, transports troops in an amphibious assault vehicle, in a simulated mission at Fort Hase Beach, Sept. 16, 2014. CAC, a non-deployable unit, supports the infantry in their predeployment training, Exercise Island Viper. (U.S. Marine Corps photo by Lance Cpl. Brittney Vella)