PACIFIC OCEAN (Nov. 4, 2011) US Navy and Japan Maritime Self-Defense Force ships transit in formation while Japan Maritime Self-Defense Force P-3 Orion aircraft fly overhead during Annual Exercise 2011. Annual Exercise is a bi-lateral field training exercise designed to practice and evaluate the coordination procedures and interoperability elements required to respond to the defense of Japan and the Asia-Pacific region. (US Navy photo by Mass Communication Specialist Seaman Alysia Hernandez/Released)

[Image courtesy of the US Navy Website.]