Philippine Sea (June 18, 2006) - U.S. Navy, Air Force and Marine Corps aircraft fly in formation during the photo portion of Exercise Valiant Shield 2006. The Kitty Hawk Carrier Strike group is currently participating in Valiant Shield 2006. Valiant Shield focuses on integrated joint training among U.S. military forces, enabling real-world proficiency in sustaining joint forces and in detecting, locating, tracking and engaging units at sea, in the air, on land and cyberspace in response to a range of mission areas. U.S. Navy photo by Photographer's Mate Airman Benjamin Dennis