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United Launch Alliance Successfully Completes First Operational Delta IV Heavy Launch
Cape Canaveral FL (SPX) Nov 11, 2007 United Launch Alliance successfully launched the first operational Delta IV Heavy expendable launch vehicle for the U.S. Air Force yesterday from Space Launch Complex-37 Nov. 10, 8:50 p.m., EST, carrying the service's Defense Support Program-23 satellite. A Delta IV Heavy demonstration flight was launched from SLC-37 in December 2004. The launch also marks the fourth ULA mission conducted for the Air Force this year and the 10th ULA mission in 2007. Weighing 5,200 pounds, the DSP-23 satellite completed a 6 hour, 20 minute mission and was deployed into its proper orbit at 3:10 a.m. EST, today. The DSP-23 launch completes the deployment of this important constellation of satellites. DSP satellites provide early warning for intercontinental ballistic missile launches and have been used by the military for more than 30 years. "Following the Delta IV Heavy test flight three years ago, the hard work and dedication of the team to prepare to launch our first operational mission was phenomenal," said Mark Wilkins, ULA vice president, Delta Programs. "We appreciate the support from our Air Force customer in achieving this milestone, and ULA is pleased to welcome the Delta IV Heavy as a member of our operational vehicle family." DSP satellites use infrared sensors to detect heat from missile and booster plumes against the Earth's background. Operated from the Space Based Infrared Systems Mission Control Station at Buckley Air Force Base, Colo., DSP satellites provide accurate and reliable launch detection data to the warfighter. The ULA Delta IV Heavy vehicle featured a common booster core with two, strap-on common booster cores. Each common booster core was powered by the Pratt and Whitney Rocketdyne RS-68 cryogenic engine. An RL10B-2 cryogenic engine, upgraded from the RL10 engine that has been in use for more than four decades, powered the second stage. The payload was encased by a 5-meter diameter (16.7-foot diameter) aluminum, tri-sector payload fairing. ULA constructed the Delta IV launch vehicle in Decatur, Ala. By May 2003, all three common booster cores arrived at Cape Canaveral Air Force Station from Decatur. The vehicle was moved from the Horizontal Integration Facility and erected on the stand at Pad 37 using the fixed pad erector for this launch June 19. Hundreds of ULA technicians, engineers and management worked to prepare the vehicle for the DSP-23 mission. ULA's next launch, currently scheduled for no earlier than Dec. 5, is the commercial COSMO-2 launch aboard a Delta II from Space Launch Complex 2 at Vandenberg Air Force Base, Calif. ULA program management, engineering, test and mission support functions are headquartered in Denver, Colo. Manufacturing, assembly and integration operations are located at Decatur, Ala., Harlingen, Tex. And San Diego, Calif. Launch operations are located at Cape Canaveral Air Force Station, Fla., and Vandenberg Air Force Base, Calif. Community Email This Article Comment On This Article Related Links United Launch Alliance Launch Pad at Space-Travel.com
Arianespace's 5th Ariane 5 Mission Is Cleared For November 9 Liftoff
Kourou, French Guiana (SPX) Nov 08, 2007Arianespace's fifth dual-payload Ariane 5 mission of 2007 has been given the green light for liftoff on Friday, November 9, following today's launch readiness review at the Spaceport in French Guiana. The review - which is conducted prior to every Ariane mission - validated the readiness of the Ariane 5, its Skynet 5B and Star One C1 satellite passengers, the infrastructure at Europe's Spaceport and the network of downrange tracking stations. |
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