VANDENBERG AIR FORCE BASE, Calif., Jan. 12, 2018 — A United Launch Alliance (ULA) Delta IV rocket carrying a payload for the National Reconnaissance Office (NRO) lifted off from Space Launch Complex-6 on Jan. 12 at 2:11 p.m. PST. Designated NROL-47, the mission is in support of national defense.
“As the nation's most trustworthy launch provider, today's launch exemplifies ULA's ongoing commitment to 100 percent mission success,” said Will Crawford, ULA's NRO program manager. “My sincere thanks to the entire ULA team and our mission partners at the NRO and U.S. Air Force who made this, our 27th NRO launch, possible.”
This mission was launched aboard a Delta IV Medium+ (5, 2) configuration Evolved Expendable Launch Vehicle (EELV) powered by one common booster core and two solid rocket motors built by Orbital ATK. The common booster core was powered by an RS-68A liquid hydrogen/liquid oxygen engine. A single RL10B-2 liquid hydrogen/liquid oxygen engine powered the second stage. The booster and upper stage engines are both built by Aerojet Rocketdyne. ULA constructed the Delta IV Medium+ (5,2) launch vehicle in Decatur, Ala.
This is ULA's first launch in 2018 and the 124th successful launch since the company was formed in December 2006. It was also the 36th flight of the Delta IV rocket since its inaugural launch in 2002.
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. The commercially developed EELV program supports the full range of government mission requirements, while delivering on schedule and providing significant cost savings over the legacy launch systems.
ULA's next launch is the Space Based Infrared System (SBIRS) GEO Flight 4 mission for the U.S. Air Force on an Atlas V rocket. The launch is scheduled for Jan. 18 from Space Launch Complex-41 at Cape Canaveral Air Force Station, Fla.
With more than a century of combined heritage, United Launch Alliance is the nation's most experienced and reliable launch service provider. ULA has successfully delivered more than 120 satellites to orbit that aid meteorologists in tracking severe weather, unlock the mysteries of our solar system, provide critical capabilities for troops in the field and enable personal device-based GPS navigation.
For more information on ULA, visit the ULA website at www.ulalaunch.com, or call the ULA Launch Hotline at 1-877-ULA-4321 (852-4321). Join the conversation at www.facebook.com/ulalaunch, twitter.com/ulalaunch and instagram.com/ulalaunch.
SOURCE United Launch Alliance
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