U.S. Navy Chief Damage Controlman David Stuart, left foreground, and Ensign Andrew Miller, right, get condiments for hamburgers and hot dogs during a steel beach picnic to celebrate the Navy's 237th birthday aboard guided missile frigate USS Underwood (FFG 36) Oct. 13, 2012, in the Caribbean Sea. Underwood was deployed to Central and South America and the Caribbean in support of Operation Martillo and Southern Seas 2012. Southern Seas is a U.S. Southern Command-directed operation designed to strengthen relationships with regional partner nations and improve operational readiness for all assigned units. 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. (U.S. Navy photo by Mass Communication Specialist 3rd Class Frank J. Pikul/Released)