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  • [ July 24, 2025 ] Amazon says $139.5 million investment in Florida is key to ramping up launch cadence with Project Kuiper Mission Reports
  • [ July 23, 2025 ] NASA probes to study how the solar wind triggers potentially dangerous ‘space weather’ Falcon 9
  • [ July 22, 2025 ] FAA: ‘Regional power outage’ causes last-minute scrub of NASA’s TRACERS mission Falcon 9
  • [ July 21, 2025 ] SpaceX launches 15th mission for SES following one-day scrub Falcon 9
  • [ July 18, 2025 ] SpaceX launches 24 Starlink satellites into polar orbit on Falcon 9 rocket from California Falcon 9

Live coverage: Delta 4 rocket lifts off

July 21, 2015 Justin Ray


(Launch webcast begins at 7:47 p.m. EDT)

Mission Status Center

Live coverage of the United Launch Alliance Delta 4 rocket carrying the Air Force’s WGS 7 communications spacecraft. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

  • Air Force
  • Boeing
  • delta 372
  • Delta 4
  • Mission Status Center
  • United Launch Alliance
  • WGS 7
  • Wideband Global SATCOM

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News Headlines

  • Amazon says $139.5 million investment in Florida is key to ramping up launch cadence with Project Kuiper
    July 24, 2025
  • NASA probes to study how the solar wind triggers potentially dangerous ‘space weather’
    July 23, 2025
  • FAA: ‘Regional power outage’ causes last-minute scrub of NASA’s TRACERS mission
    July 22, 2025
  • SpaceX launches 15th mission for SES following one-day scrub
    July 21, 2025
  • 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
  • Axiom Space, Oakley partner on spacesuit visor for Artemis missions
    July 12, 2025
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