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ULA’s Delta IV Launches NRO Satellite

13 Jan 2018, 06:27 UTC
ULA’s Delta IV Launches NRO Satellite
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A United Launch Alliance (ULA) Delta IV rocket carrying the NROL-47 mission lifts off from Vandenberg Air Force Base. (Credit: ULA)
VANDENBERG AIR FORCE BASE, Calif., Jan. 12, 2018 (ULA PR) – 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 ...

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