Petty Officer 3rd Class Patrick Humphrey, a crewmember aboard the 270-foot Coast Guard Cutter Escanaba, fires at an unmanned water craft during a gunnery exercise for UNITAS Saturday, Sept. 22, 2012. The crew aboard the Escanaba is participating in UNITAS, which is designed to train each naval force in a variety of maritime scenarios with each operating as a component of a multinational force providing the maximum opportunity to improve interoperability.