U.S. Coast Guardsmen assigned to the high endurance cutter USCGC Boutwell (WHEC 719) engage in joint operations with a Navy vessel in support of Operation Martillo in the Pacific Ocean Aug. 26, 2014. Operation Martillo is a joint, interagency and multinational collaborative effort to deny transnational criminal organizations air and maritime access to the littoral regions of the Central American isthmus.