Students from the Ashar Alo middle school tour the bridge aboard the Military Sealift Command rescue and salvage ship USNS Safeguard. Safeguard is participating in Cooperation Afloat Readiness and training 2012. CARAT is a series of bilateral military exercises between the U.S. Navy and the armed forces of Bangladesh, Brunei, Cambodia, Indonesia, Malaysia, the Philippines, Singapore, Thailand and Timor Leste.