101210-N-7191M-031
PACIFIC OCEAN (Dec. 10, 2010) U.S. Navy and Japan Maritime Self-Defense Force (JMSDF) ships underway in formation as part of a photo exercise on the final day of Keen Sword 2011. The exercise enhances the Japan-U.S. alliance which remains a key strategic relationship in the Northeast Asia Pacific region. Keen Sword caps the 50th anniversary of the Japan-U.S. alliance as an “alliance of equals.” (U.S. Navy photo by Mass Communication Specialist 3rd Class Jacob D. Moore/Released)