PACIFIC OCEAN, (June 18, 2006) - USS Abraham Lincoln (CVN 72), USS Kitty Hawk (CV 63) and USS Ronald Reagan (CVN 76) carrier strike groups steam in formation during a joint photo exercise (PHOTOEX) in preparation for Valiant Shield 2006. The PHOTOEX featured 14 ships as well as 17 aircraft from Air Force, Navy, and Marine Corp including a B2 bomber. The Kitty Hawk Carrier Strike Group is currently participating in Valiant Shield 2006, the largest joint exercise in recent history. Held in the Guam operating area (June 19-23), the exercise involves 28 Naval vessels including three carrier strike groups, more than 300 aircraft and more than 20,000 service members from the Navy, Air Force, Marine Corps, and Coast Guard. (U.S. Navy photo by Photographer's Mate 3rd Class Jarod Hodge)