Sailors, assigned to Mobile Diving Salvage Unit One, enter an ARS 50 Class Double-Lock Recompression Chamber on the Military Sealift Command Rescue and Salvage ship USNS Safeguard. Safeguard's embarked Mobile Diving and Salvage Unit and Indonesian navy divers are conducting a diving exercise on the wreck of the USS Houston as part of Cooperation Afloat Readiness and Training 2014. In its 20th year, CARAT is a bilateral exercise series between the United States and the armed forces of nine partner nations in South and Southeast Asia.