Philippine Sea (June 18, 2006) - Ronald Reagan and Abraham Lincoln Carrier Strike groups, break away while the Kitty Hawk Carrier Strike group continues to sail ahead following the photo portion of Exercise 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 Chief Photographer's Mate Todd P. Cichonowicz