Members of a visit, board, search and seizure team return their rigid-hull inflatable boat to the guided missile destroyer USS Paul Hamilton (DDG 60) during exercise Koa Kai 12-2 in the Pacific Ocean on April 1, 2012. Koa Kai is a weeklong joint exercise between the U.S. Navy and the Japan Maritime Self-Defense Force that aims to prepare and test ship readiness to deploy and respond quickly to support maritime strategy.