U.S. sailors assigned to the guided missile frigate USS Underwood (FFG 36) play with children from Amtillas Middle School in Pisco, Peru, May 19, 2012, during a community relations event for Unitas 53 Pacific. Underwood was representing the U.S. Navy in support of Unitas 53 PAC and Southern Seas 2012. Unitas, Latin for "unity," is an annual U.S. Southern Command-sponsored, multinational naval exercise designed to enhance security cooperation and improve coalition operations between South American and U.S. maritime forces. 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. (U.S. Navy photo by Mass Communication Specialist 2nd Class Stuart Phillips/Released)