April 21, 2026
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Breaking News
  • [ April 21, 2026 ] SpaceX launches final GPS III satellite for the U.S. Space Force Falcon 9
  • [ April 20, 2026 ] Blue Origin launches third New Glenn rocket, but payload ends up in wrong orbit New Glenn
  • [ April 19, 2026 ] Third flight of Blue Origin’s New Glenn rocket to feature 1st reuse of booster Mission Reports
  • [ April 18, 2026 ] SpaceX makes 600th Falcon booster landing during West Coast Starlink mission Falcon 9
  • [ April 16, 2026 ] Blue Origin hot fires its first previously flown booster, prepares for weekend launch Mission Reports

Live coverage of Delta 4 countdown and launch

December 6, 2016 Justin Ray

Live coverage of the United Launch Alliance Delta 4 rocket flight with the Wideband Global SATCOM 8 satellite. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.


(Launch webcast begins at 6:33 p.m. EST / 2333 GMT)

  • Air Force
  • Boeing
  • Complex 37
  • Delta 376
  • Delta 4
  • Mission Status Center
  • United Launch Alliance
  • WGS 8
  • Wideband Global SATCOM

Related Articles

Atlas 5

Boeing’s first space-ready Starliner crew capsule meets its Atlas 5 launcher

November 21, 2019 Stephen Clark

Boeing’s first Starliner crew capsule to fly in space departed its factory Thursday at the Kennedy Space Center in Florida for a trip to a launch pad a few miles away, where teams raised the craft atop an Atlas 5 rocket for liftoff next month on an unpiloted test flight to the International Space Station.

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Photos: Atlas 5 and X-37B mated together for upcoming launch

May 8, 2015 Justin Ray

The Air Force’s miniature space shuttle and its ride to orbit have been joined together inside an assembly building at Cape Canaveral in preparation for launch May 20.

Uncategorized

Video: X-37B payload mated to Atlas 5

May 12, 2015 Justin Ray

Already encapsulated in the 18-foot-diameter nose cone, the Air Force’s X-37B spaceplane is hoisted atop the Atlas 5 rocket at Cape Canaveral’s Vertical Integration Facility.

News Headlines

  • SpaceX launches final GPS III satellite for the U.S. Space Force
    April 21, 2026
  • Blue Origin launches third New Glenn rocket, but payload ends up in wrong orbit
    April 20, 2026
  • Third flight of Blue Origin’s New Glenn rocket to feature 1st reuse of booster
    April 19, 2026
  • SpaceX makes 600th Falcon booster landing during West Coast Starlink mission
    April 18, 2026
  • Blue Origin hot fires its first previously flown booster, prepares for weekend launch
    April 16, 2026
  • Blue Origin one step closer to launching New Glenn from Vandenberg Space Force Base
    April 15, 2026
  • West Coast SpaceX Falcon 9 mission launches 25 Starlink satellites
    April 15, 2026
  • SpaceX launches 1,000th Starlink satellite of 2026 on Falcon 9 rocket from Cape Canaveral
    April 14, 2026
  • NASA confident Artemis 2 heat shield will protect crew during re-entry
    April 10, 2026
  • Artemis astronauts send down Easter message, prep for lunar fly around Monday
    April 5, 2026
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  • Members
    • Sign in
    • Become a member
    • Members Content
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