151117-N-FV745-073 SEA SOUTH OF JAPAN (Nov. 17, 2015) The Close In Weapons System (CIWS) aboard the Ticonderoga-class missile-guided cruiser USS Antietam (CG-54) fires rounds down range for a live fire exercise during Annual Exercise (AE) 16. Antietam is participating in AE16 to increase interoperability between Japanese and American forces through training in air and sea operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Daniel James Lewis/Released)