Atlas V 551 | NROL-107 (Silent Barker)
Launch Successful
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Launch Window
Sept. 10, 2023, 12:47 p.m. - Sept. 10, 2023, 2:35 p.m.
Sept. 10, 2023, 12:47 p.m. - Sept. 10, 2023, 2:35 p.m.
A United Launch Alliance (ULA) Atlas V 551 rocket is launching the SILENTBARKER/NROL-107 mission, a joint National Reconnaissance Office (NRO) and U.S. Space Force (USSF) capability to improve space domain awareness. Liftoff will occur from Space Launch Complex-41 at Cape Canaveral Space Force Stati...
United Launch Alliance’s Atlas V rockets have delivered vital national security missions accross the globe since 2002. The Atlas V configuration is comprised of a common booster core (CBC), a Centaur upper stage, and a 5-meter-diameter payload fairing (PLF). This Atlas employs four additional solid ...
Classified space situational awareness (SSA) payload for the US National Reconnaissance Office (NRO).
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Launch success confirmed
Liftoff
Livestream has started
Weather 90% Go.
Scrubbed for the day due to ordnance circuit issue.
Atlas V is an expendable launch system in the Atlas rocket family. It was formerly operated by Lockheed Martin and is now operated by United Launch Alliance (ULA), a joint venture with Boeing. Each Atlas V rocket uses a Russian-built RD-180 engine burning kerosene and liquid oxygen to power its first stage and an American-built RL10 engine burning liquid hydrogen and liquid oxygen to power its Centaur upper stage. The RD-180 engines are provided by RD Amross, while Aerojet Rocketdyne provides both the RL10 engines and the strap-on boosters used in some configurations. The standard payload fairing sizes are 4 or 5 meters in diameter and of various lengths. Fairings sizes as large as 7.2 m in diameter and up to 32.3 m in length have been considered. The rocket is assembled in Decatur, Alabama and Harlingen, Texas.
United Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spacecraft launch services to the government of the United States. ULA launches from both coasts of the US. They launch their Atlas V vehicle from LC-41 in Cape Canaveral and LC-3E at Vandeberg. Their Delta IV launches from LC-37 at Cape Canaveral and LC-6 at Vandenberg.
INFO WIKI
A National Reconnaissance Office mission flew to geostationary Earth orbit Sept. 10 aboard a United Launch Alliance Atlas 5 rocket.
United Launch Alliance (ULA) launched its Atlas V with the classified NROL-107 Silent Barker mission set on Sunday, following several days, including a rollback due to a hurricane threat.
The Atlas V launch has been delayed for safety precautions in order to shield the rocket and payload from any effects of...
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United Launch Alliance (ULA) has called off its Atlas V launch of the classified NROL-107 Silent Barker mission set for Tuesday. ULA noted that “out of an abundance of caution for personnel safety, a critical national security payload, and…
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