U.S. sailors assigned to Riverine Squadron 2 and Bangladesh Navy sailors assigned to Special Warfare Diving and Salvage Command conduct a noncompliant boarding exercise aboard the Bangladesh Navy offshore patrol vessel BNS Sangu during Cooperation Afloat Readiness and Training 2012 in the Bay of Bengal Sept. 22, 2012. CARAT is a series of bilateral exercises held annually in Southeast Asia to strengthen relationships and enhance force readiness.