U.S. Navy and Japan Maritime Self-Defense Force ships are underway in formation during cannon firing exercises near Guam during Multi Sail 2016. Multi Sail is a bilateral training exercise aimed at interoperability between the U.S. and Japanese forces. This exercise builds interoperability and benefits from realistic, shared training, enhancing our ability to work together to confront any contingency. (U.S. Navy photo by Mass Communication Specialist 3rd Class Eric Coffer/Released)