December 18, 2025
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Breaking News
  • [ December 18, 2025 ] Rocket Lab launches 4 novel DiskSat satellites for U.S. Space Force, NASA Electron
  • [ December 18, 2025 ] Senate confirms Jared Isaacman as 15th NASA Administrator News
  • [ December 17, 2025 ] SpaceX flies Starlink mission using Falcon 9 booster flying for a 30th time Falcon 9
  • [ December 16, 2025 ] SpaceX launches Wednesday morning Starlink mission from Kennedy Space Center Falcon 9
  • [ December 15, 2025 ] Rocket Lab Electron rocket aborts liftoff at engine ignition Electron

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

Antares Launcher

Live coverage: Cygnus supply ship captured by space station’s robotic arm

May 20, 2018 Stephen Clark

Three days after launching from the Virginia coastline, an Orbital ATK Cygnus supply ship completed its final approach to the International Space Station on Thursday with more than 7,000 pounds of cargo and experiments. The automated freighter was captured by the station’s robotic arm at 5:26 a.m. EDT (0926 GMT).

Atlas 5

Next Atlas 5 launch delayed by battery failure

June 23, 2019 Stephen Clark

The next launch of United Launch Alliance’s Atlas 5 rocket with the U.S. Air Force’s fifth Advanced Extremely High Frequency communications satellite, previously scheduled for Thursday, has been delayed to no earlier than July 12 to replace a failed battery on the vehicle.

Atlas 5

ULA rehearses countdown for first Starliner launch on Atlas 5 rocket

December 6, 2019 Stephen Clark

United Launch Alliance teams ran through an 11-hour countdown Friday at Cape Canaveral to rehearse procedures before the first flight of a modified Atlas 5 rocket with Boeing’s Starliner crew capsule Dec. 20.

News Headlines

  • Rocket Lab launches 4 novel DiskSat satellites for U.S. Space Force, NASA
    December 18, 2025
  • Senate confirms Jared Isaacman as 15th NASA Administrator
    December 18, 2025
  • SpaceX flies Starlink mission using Falcon 9 booster flying for a 30th time
    December 17, 2025
  • SpaceX launches Wednesday morning Starlink mission from Kennedy Space Center
    December 16, 2025
  • Rocket Lab Electron rocket aborts liftoff at engine ignition
    December 15, 2025
  • ULA Atlas 5 launch puts Amazon’s 180th broadband satellite in low Earth orbit
    December 15, 2025
  • Falcon 9 launch of 29 Starlink satellites from the Kennedy Space Center delayed to Wednesday
    December 14, 2025
  • SpaceX launches 100th Falcon 9 rocket from Florida in 2025
    December 14, 2025
  • SpaceX completes 550th booster landing amid Saturday night Falcon 9 flight
    December 13, 2025
  • Blue Origin halfway through 4-flight certification to allow launch of national security missions
    December 13, 2025
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