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Breaking News
  • [ July 21, 2026 ] SpaceX launches novel geosynchronous robotic servicing satellite on decade-long mission Falcon 9
  • [ July 16, 2026 ] Post-ignition anomaly causes abort of SpaceX’s Starship Flight 13 Artemis
  • [ July 4, 2026 ] Semiconductor manufacturing test bed flies alongside Starlink satellites on Falcon 9 launch Falcon 9
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  • [ June 30, 2026 ] Astronauts ‘operate’ on space station’s broken robot arm Mission Reports

Live coverage: Atlas 5 countdown and launch journal

October 7, 2015 Justin Ray


(Launch webcast begins at 5:29 a.m. PDT)

Mission Status Center

Live coverage of the United Launch Alliance Atlas 5 rocket on the NROL-55 mission with a classified payload for the National Reconnaissance Office. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

  • Atlas 5
  • AV-058
  • Mission Status Center
  • National Reconnaissance Office
  • NOSS
  • NRO
  • United Launch Alliance

Related Articles

Falcon 9

Live coverage: SpaceX Falcon 9 rocket takes off from Florida, lands on ship

June 23, 2017 Stephen Clark

One of SpaceX’s Falcon 9 rocket boosters made its second trip into space Friday, lofting a Bulgarian television broadcasting satellite from launch pad 39A at NASA’s Kennedy Space Center in Florida, then landing on a platform in the Atlantic Ocean. Liftoff occurred at 3:10 p.m. EDT (1910 GMT).

Delta 4

Video: Animated preview of Delta 4-Heavy rocket ascent on NROL-37

June 10, 2016 Justin Ray

Narrated animation explains the United Launch Alliance Delta 4-Heavy rocket ascending to space with the NROL-37 mission for the National Reconnaissance Office through T+plus 6 minutes, 30 seconds before going into a news blackout.

Atlas 5

Atlas 5 launch postponed by wildfire, Range availability until Sept. 26

September 15, 2016 Justin Ray

Sunday’s flight of the United Launch Alliance Atlas 5 rocket from Vandenberg Air Force Base in California was scrubbed due to a wildfire burning south of the pad. The launch delay allows crews to remain in place to battle the blaze. The lack of Range availability this week means the next launch try won’t come until Sept. 26.

News Headlines

  • SpaceX launches novel geosynchronous robotic servicing satellite on decade-long mission
    July 21, 2026
  • Post-ignition anomaly causes abort of SpaceX’s Starship Flight 13
    July 16, 2026
  • Semiconductor manufacturing test bed flies alongside Starlink satellites on Falcon 9 launch
    July 4, 2026
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    July 1, 2026
  • Astronauts ‘operate’ on space station’s broken robot arm
    June 30, 2026
  • Blue Origin outlines return to flight logistics for its New Glenn rockets
    June 30, 2026
  • SpaceX launches 7.5-ton SiriusXM satellite as part of constellation refresh
    June 28, 2026
  • SpaceX launches Starlink satellites from Vandenberg Space Force Base
    June 28, 2026
  • West Coast Falcon 9 launch continues expansion of SpaceX’s Starlink network
    June 24, 2026
  • NASA, Boeing committed to Starliner-1 launch despite unclear timeline
    June 23, 2026
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