Operation Martillo – Photo Essay The U.S. Coast Guard Cutter Gallatin, the largest and most capable Coast Guard vessel patrolling the Caribbean Sea, participated in Operation Martillo. (Courtesy of U.S. Coast Guard) « ‹ of 6 › » Share on Social Media 00000 Related Posts CENTAM Guardian 24: Strengthening Interoperability with Central American Partner Nations Enduring Promise of Humanitarian Support and Camaraderie