The Japan Maritime Self-Defense Force helicopter destroyer JS Kurama (DDH 144) maneuvers off the starboard brow of guided-missile destroyer USS O'Kane (DDG 77), not pictured, during the integrated maritime exercise Koa Kai. Koa Kai prepares independent deployers in multiple warfare areas and provides training in a multi-ship environment. (U.S. Navy photo by Mass Communication Specialist 2nd Class Daniel Barker/Released)