An EA-18G Growler from the "Shadowhawks" of Electronic Attack Squadron 141 launches from the flight deck of the Nimitz-class aircraft carrier USS George Washington as part of Keen Sword 2015. KS15, a joint/bi-lateral field training exercise involving U.S. military and Japan Self-Defense Force, is designed to increase combat readiness and interoperability of U.S. forces and JSDF.