September 18, 2025
Spaceflight Now
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • 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
  • Live
  • Shop
Breaking News
  • [ September 17, 2025 ] SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral Falcon 9
  • [ September 16, 2025 ] NASA, Northrop Grumman postpone Cygnus XL arrival to ISS following propulsion issue Mission Reports
  • [ September 16, 2025 ] Live coverage: SpaceX to launch 24 Starlink satellites from Vandenberg SFB following weather scrub Falcon 9
  • [ September 15, 2025 ] Northrop Grumman’s 1st Cygnus XL spacecraft launches on cargo run to the space station Falcon 9
  • [ September 14, 2025 ] Launch preview: SpaceX to launch new, improved Northrop Grumman Cygnus XL resupply ship to the space station Falcon 9

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

Ariane 5

Live coverage: Ariane 5 launches for DirecTV

May 27, 2015 Stephen Clark

Two direct-to-home broadcasting satellites have launched from French Guiana aboard an Ariane 5 rocket. Liftoff with DirecTV 15 and Sky Mexico 1 occurred at 2116 GMT (5:16 p.m. EDT) Wednesday.

News

Heavy cargo mounted atop Atlas 5 rocket for upcoming launch

August 19, 2015 Justin Ray

Hoisting a 15,000-pound satellite atop an Atlas 5 rocket Wednesday, United Launch Alliance finished assembling its next space-bound booster for liftoff Aug. 31 in support of the U.S. Navy.

Antares Launcher

Live coverage: Commercial Cygnus cargo craft arrives at space station

November 15, 2018 Stephen Clark

A Northrop Grumman Cygnus supply ship carrying more than 7,200 pounds of provisions and experiments approached the International Space Station two days after its launch from Virginia, moving close enough for capture by the station’s robotic arm at 5:28 a.m. EST (1028 GMT) Monday.

News Headlines

  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    September 17, 2025
  • NASA, Northrop Grumman postpone Cygnus XL arrival to ISS following propulsion issue
    September 16, 2025
  • Live coverage: SpaceX to launch 24 Starlink satellites from Vandenberg SFB following weather scrub
    September 16, 2025
  • Northrop Grumman’s 1st Cygnus XL spacecraft launches on cargo run to the space station
    September 15, 2025
  • Launch preview: SpaceX to launch new, improved Northrop Grumman Cygnus XL resupply ship to the space station
    September 14, 2025
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    September 13, 2025
  • Department of the Air Force, FAA clear SpaceX to launch up to 120 Falcon 9 rockets annually from Cape Canaveral
    September 12, 2025
  • New U.S. military satellite constellation takes shape with first launch from Vandenberg SFB
    September 12, 2025
  • SpaceX launches Indonesian communications satellite following three days of scrubs
    September 10, 2025
  • Launch preview: Space Development Agency, SpaceX to launch next-gen national security satellites
    September 10, 2025
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • 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
  • Live
  • Shop

© 1999-2025 Spaceflight Now Inc