August 22, 2025
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Wideband Global SATCOM

Delta 4

Photos: Delta 4 rocket blasts off from Cape Canaveral

March 20, 2019 Stephen Clark

A hydrogen-fueled main engine and four solid rocket boosters combined to propel a United Launch Alliance Delta 4 rocket off its launch pad at Cape Canaveral on March 15, successfully sending a U.S. Air Force communications satellite into orbit.

Delta 4

Delta 4 rocket launches Air Force’s 10th WGS broadband satellite

March 16, 2019 Stephen Clark

United Launch Alliance placed a new satellite in orbit with a fiery Friday night blastoff from Cape Canaveral, using a version of the Delta 4 rocket that is nearing retirement to supplement a U.S. military network relaying signals from drones and battlefield commanders.

Delta 4

Delta 4 rocket’s launch timeline with WGS 10

March 15, 2019 Stephen Clark

A United Launch Alliance Delta 4 rocket will deliver the U.S. Air Force’s tenth Wideband Global SATCOM communications satellite to a supersynchronous transfer orbit around 37 minutes after lifting off from Cape Canaveral.

Delta 4

Photos: Mobile gantry retracted at Delta 4 launch pad

March 15, 2019 Stephen Clark

hese photos show the 330-foot-tall mobile service tower moving into position for liftoff of a Delta 4 rocket from Cape Canaveral’s Complex 37B launch pad Friday.

Delta 4

Live coverage: Delta 4 rocket launches from Cape Canaveral

March 15, 2019 Stephen Clark

A United Launch Alliance Delta 4 rocket lifted off from Cape Canaveral at 8:26 p.m. EDT Friday (0026 GMT Saturday) with the U.S. Air Force’s tenth Wideband Global SATCOM satellite, extending the reach of the military’s highest-capacity satellite communications network.

Mission Reports

ULA plans to ring in the weekend with Friday evening launch

March 13, 2019 Stephen Clark

United Launch Alliance ground crews are putting the final touches on a Delta 4 rocket scheduled for blastoff Friday evening from Cape Canaveral with a U.S. Air Force communications satellite.

Mission Reports

Military satellite joined with Delta 4 rocket at Cape Canaveral

March 2, 2019 Stephen Clark

The addition of a U.S. Air Force communications satellite has capped the assembly of a 218-foot-tall United Launch Alliance Delta 4 rocket at Cape Canaveral set for liftoff the evening of March 13.

Mission Reports

Air Force releases new target dates for upcoming military launches

September 7, 2018 Stephen Clark

Managers have pushed back the next flight of United Launch Alliance’s Delta 4-Heavy rocket from a launch pad in California until no sooner than early December, and the first launch of SpaceX’s Falcon Heavy for the U.S. Air Force has likely been delayed to some time early next year, officials said this week.

Delta 4

Photos: Additional shots of successful Delta 4 rocket launch

March 19, 2017 Justin Ray

The 377th Delta rocket begins its journey to space carrying a military communications satellite funded by Canada, Denmark, the Netherlands, Luxembourg and New Zealand in a deal that gives the allies access to the U.S. military’s worldwide Wideband Global SATCOM system.

Delta 4

Photos: Launch boosts satellite for U.S. allies

March 19, 2017 Justin Ray

The United Launch Alliance Delta 4 Medium+ (5,4) rocket lifted off at 8:18 p.m. EDT (0018 GMT) from Cape Canaveral in service to the U.S. military’s Wideband Global SATCOM communications satellite constellation.

Posts pagination

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News Headlines

  • Live coverage: SpaceX to launch 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    August 22, 2025
  • SpaceX launches Space Force’s X-37B spaceplane to demo laser communications, quantum navigation
    August 22, 2025
  • Launch preview: SpaceX to launch X-37B military spaceplane on Falcon 9 rocket from the Kennedy Space Center
    August 20, 2025
  • Firefly Aerospace explores launching its Alpha rocket from Japan
    August 20, 2025
  • SpaceX flies 24 Starlink satellites on its 100th Falcon 9 rocket launch of 2025
    August 17, 2025
  • SpaceX schedules 10th test flight for Starship, details recent setbacks
    August 16, 2025
  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    August 14, 2025
  • ULA launches Vulcan rocket on first Space Force mission
    August 13, 2025
  • Launch preview: ULA to launch first national security mission on a Vulcan rocket
    August 12, 2025
  • SpaceX launches Amazon’s Project Kuiper satellites on fifth scheduled attempt
    August 10, 2025
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