150324-N-IG780-200 COLON, Panama (March 24, 2015) The guided-missile frigate USS Kauffman (FFG 59) transits the waters outside of the Panama Canal following a stop for fuel. Kauffman is underway in support of Operation Martillo, a joint operation with the U.S. Coast Guard and partner nations within the U.S. 4th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Shane A. Jackson/Released)