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Breaking News
  • [ October 4, 2025 ] SpaceX to launch 4 Falcon Heavy rockets as part of newest U.S. national security missions award News
  • [ October 2, 2025 ] SpaceX launches 3rd consecutive Falcon 9 rocket from Vandenberg SFB, uninterrupted by a Cape mission Falcon 9
  • [ October 1, 2025 ] ViaSat-3 F2 satellite arrives in Florida ahead of late October launch Atlas 5
  • [ October 1, 2025 ] Report argues NASA is illegally using President’s Budget Request to circumvent Congress’ budgeting process News
  • [ September 30, 2025 ] Axiom Space taps Portuguese physiologist as first ‘Project Astronaut’ News

Live coverage: Atlas 5 countdown and launch journal

January 17, 2017 Justin Ray

Live coverage of the United Launch Alliance Atlas 5 rocket flight to deploy the SBIRS GEO Flight 3 missile warning satellite. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

(Launch webcast begins at 7:22 p.m. EST / 0022 GMT)

  • Air Force
  • Atlas 5
  • AV-066
  • Lockheed Martin
  • Mission Status Center
  • SBIRS
  • SBIRS GEO Flight 3
  • United Launch Alliance

Related Articles

Atlas 5

360 virtual reality: WorldView 4 launch animation

November 7, 2016 Justin Ray

DigitalGlobe’s 360 virtual reality preview of Friday’s WorldView 4 satellite launch atop a United Launch Alliance Atlas 5 rocket from Vandenberg Air Force Base, California.

Delta 4

Live coverage: Delta 4 launches from California with spy satellite

January 10, 2018 Stephen Clark

United Launch Alliance kicked off its 2018 launch campaign with a Delta 4 rocket flight at 2:11 p.m. PST (5:11 p.m. EST; 2211 GMT) Friday from Vandenberg Air Force Base in California. Gusty winds forced officials to call off a launch attempt Wednesday, and technical problems halted a countdown Thursday multiple times. The Delta 4 launched with a top secret spy satellite for the National Reconnaissance Office.

Atlas 5

Plutonium power source installed on NASA’s next Mars rover

July 22, 2020 Stephen Clark

The nuclear power generator for NASA’s Perseverance rover has been installed on the spacecraft atop an Atlas 5 rocket at Cape Canaveral, and mission managers gave a green light Wednesday to continue preparations for the rover’s July 30 launch toward Mars.

News Headlines

  • SpaceX to launch 4 Falcon Heavy rockets as part of newest U.S. national security missions award
    October 4, 2025
  • SpaceX launches 3rd consecutive Falcon 9 rocket from Vandenberg SFB, uninterrupted by a Cape mission
    October 2, 2025
  • ViaSat-3 F2 satellite arrives in Florida ahead of late October launch
    October 1, 2025
  • Report argues NASA is illegally using President’s Budget Request to circumvent Congress’ budgeting process
    October 1, 2025
  • Axiom Space taps Portuguese physiologist as first ‘Project Astronaut’
    September 30, 2025
  • Ground testing anomaly destroys Firefly Aerospace’s Alpha booster intended for next flight
    September 30, 2025
  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    September 28, 2025
  • Sierra Space’s Dream Chaser debut mission delayed again, no longer docking to station
    September 26, 2025
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg
    September 25, 2025
  • ULA launches third batch of Amazon’s Project Kuiper satellites from Cape Canaveral
    September 25, 2025
  • Home
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    • Ariane 5
    • Atlas 5
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    • Falcon Heavy
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    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
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