WELCOME TO COLORADO Defense Secretary Robert M. Gates meets U.S. Air Force Gen. Victor E. Renuart, commander, North American Aerospace Defense Command and U.S. Northern Command, Peterson Air Force Base, Colo., upon his arrival in Colorado Springs, Colo., May 12, 2008. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 805378-B-OKB52-251.jpg Photo Gallery