PUERTO PRINCESA, Philippines (June 30, 2011) - Navy Diver 1st Class Robert Cherik, from Mobile Diving Salvage Unit 1 Company 1-2, simulates oxygen treatment with a Philippine Navy diver inside a recompression chamber during decompression sickness training aboard USNS Safeguard (T-ARS 50) for Cooperation Afloat Readiness and Training (CARAT) Philippines 2011. (U.S. Navy photo by ENS Lily Daniels)