Valiant Shield included Navy, Air Force, Marine Corps, and Coast Guard units. Air operations including thousands of sorties as well as in-air refuelings and parachute deployments. Aircraft from Valiant Shield deployed on missions ranging across the Pacific all the way to Alaska. Ships simulated anti-submarine warfare. Valiant Shield 2006 was the first time that three carrier strike groups had operated together in the Pacific in over ten years. Forces exercised a wide range of skills, including maritime interdiction; defense counter-air; intelligence, surveillance and reconnaissance; and command and control.