U.S. sailors assigned to the guided missile frigate USS Underwood (FFG 36) fire M16A4 rifles during a small arms qualification at a gun range at Naval Station Guantanamo Bay, Cuba, July 18, 2012, during 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. (Photo by Mass Communication Specialist 3rd Class Frank J. Pikul)