Team Vandenberg successfully launches a United Launch Alliance Delta IV rocket carrying a National Reconnaissance Office payload from Space Launch Complex-6 here, Wednesday, Feb. 10, at 3:40 am PDT. This mission was launched aboard a Delta IV Medium (5,2) configuration Evolved Expendable Launch Vehicle. The EELV program was established by the U.S. Air Force to provide assured access to space for Department of Defense and other government payloads. (U.S. Air Force photo by Joe Davila)