Philippine Sea (June 17, 2006) - USS Ronald Reagan (CVN 76) Air Operations Officer, Cmdr. Michael Cunningham, stands watch in the Combat Direction Center (CDC) aboard the Nimitz-class aircraft carrier prior to the start 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 photograph by Journalist 3rd Class Marc Rockwell-Pate
