July 20, 2025
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  • [ July 18, 2025 ] SpaceX launches 24 Starlink satellites into polar orbit on Falcon 9 rocket from California Falcon 9
  • [ July 15, 2025 ] SpaceX launches first of three missions for Amazon’s Project Kuiper constellation Falcon 9
  • [ July 15, 2025 ] SpaceX launches 26 Starlink satellites on Falcon 9 rocket from Vandenberg SFB Falcon 9
  • [ July 14, 2025 ] NASA, SpaceX target July 31 for Crew-11 launch to the ISS Falcon 9
  • [ July 12, 2025 ] SpaceX launches Israeli satellite on a Falcon 9 rocket from Cape Canaveral Falcon 9
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Live coverage: Delta 4 countdown and launch journal

March 17, 2017 Justin Ray

Live coverage of the United Launch Alliance Delta 4 rocket flight with the Wideband Global SATCOM 9 satellite. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

(Launch webcast begins at 7:24 p.m. EDT (2324 GMT)

  • Air Force
  • Boeing
  • Complex 37
  • Delta 377
  • Delta 4
  • Mission Status Center
  • United Launch Alliance
  • WGS 9
  • Wideband Global SATCOM

Related Articles

Delta 4

Delta 4-Heavy launch delayed by ground system issue

September 24, 2020 Stephen Clark

United Launch Alliance’s next launch attempt for its Delta 4-Heavy rocket from Cape Canaveral with a top secret U.S. government spy satellite will be delayed to no earlier than early Tuesday.

Mission Reports

Live coverage: Soyuz blasts off on third mission for O3b

December 18, 2014 Stephen Clark

Four satellites tucked inside the tip of a Soyuz rocket lifted off Thursday, heading for a 5,000-mile-high orbit to expand the reach of O3b’s broadband communications network. Liftoff from the European-run spaceport in French Guiana occurred at 1:37 p.m. EST (1837 GMT).

Mission Reports

Spacewalkers help install new space station docking port

August 21, 2019 Stephen Clark

NASA astronauts Nick Hague and Drew Morgan completed a 6-hour, 32-minute spacewalk outside the International Space Station Wednesday to help connect a newly-arrived docking port to the orbiting research outpost.

News Headlines

  • SpaceX launches 24 Starlink satellites into polar orbit on Falcon 9 rocket from California
    July 18, 2025
  • SpaceX launches first of three missions for Amazon’s Project Kuiper constellation
    July 15, 2025
  • SpaceX launches 26 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    July 15, 2025
  • NASA, SpaceX target July 31 for Crew-11 launch to the ISS
    July 14, 2025
  • SpaceX launches Israeli satellite on a Falcon 9 rocket from Cape Canaveral
    July 12, 2025
  • Home
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    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
    • Account
  • Live
  • Shop

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