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Delta 4

Delta 4

Delta 4 receives communications satellite payload for launch into space

February 24, 2017 Justin Ray

A military communications satellite, built with international funding from Canada, Denmark, the Netherlands, Luxembourg and New Zealand, has been stacked atop a Delta 4 rocket to launch into a worldwide information-relay network operated by the U.S.

Atlas 5

Atlas 5 and Delta 4 achieve milestones in parallel on the same morning

January 12, 2017 Justin Ray

Critical operations were completed this morning by United Launch Alliance at Cape Canaveral to prepare two rockets for upcoming flights into space.

Delta 4

Multi-national contribution to U.S. military network delivered for launch

January 11, 2017 Justin Ray

The next satellite for the U.S. military’s communications network, this one purchased by five international allies, has arrived in Florida for its launch in March atop a Delta 4 rocket.

Delta 4

Photos: Additional shots of successful Delta 4 rocket launch

December 8, 2016 Justin Ray

The United Launch Alliance Delta 4 Medium+ (5,4) rocket lifted off Wednesday at 6:53 p.m. EST (2353 GMT) from Cape Canaveral to deploy the latest craft for the U.S. military’s Wideband Global SATCOM communications satellite constellation.

Mission Reports

Photos: Delta 4 launch views from KSC press site

December 8, 2016 Stephen Clark

A United Launch Alliance Delta 4 rocket lifted off from Cape Canaveral on Wednesday night with the U.S. Air Force’s eighth Wideband Global SATCOM communications satellite, lighting up the sky in these images taken from the nearby Kennedy Space Center press site.

Delta 4

Photos: Delta 4 powers from launch pad on military mission

December 8, 2016 Justin Ray

Launching the Wideband Global SATCOM 8 satellite for the U.S. military, a United Launch Alliance Delta 4 rocket thundered away from Cape Canaveral at 6:53 p.m. EST (2353 GMT).

Delta 4

U.S. launches its highest capacity military communications satellite

December 8, 2016 Justin Ray

An antenna-covered communications spacecraft that will bring more bandwidth and capacity to the U.S. military’s global information grid than any single satellite ever before was successfully launched Wednesday atop a Delta 4 rocket.

Delta 4

Video: Liftoff of Delta 4 rocket and WGS 8 satellite

December 8, 2016 Justin Ray

The United Launch Alliance Delta 4 rocket, standing 217 feet tall and weighing 900,000 pounds, unleashes 1.8 million pounds of thrust from its main engine and four side-mounted boosters at 6:53 p.m. EST (2353 GMT) Wednesday to launch the eighth Wideband Global SATCOM satellite for U.S. military communications.

Delta 4

Photos: Launch pad gantry retracted from Delta 4 rocket

December 7, 2016 Justin Ray

The 330-foot tall mobile service tower is rolled away from the United Launch Alliance Delta 4 rocket at Cape Canaveral’s pad 37B in the hours before the scheduled liftoff on Dec. 7 at 6:53 p.m. EST (2353 GMT).

Delta 4

Live coverage of Delta 4 countdown and launch

December 6, 2016 Justin Ray

The U.S. military’s highest capacity communications satellite ever built was successfully launched into space tonight, departing Cape Canaveral aboard a United Launch Alliance Delta 4 rocket at 6:53 p.m. EST (2353 GMT).

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News Headlines

  • 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
  • Crew 10 returns to Earth with Pacific Ocean splashdown
    August 9, 2025
  • Jim Lovell, Apollo 8 & 13 astronaut, dies at 97
    August 8, 2025
  • SpaceX launches first Falcon 9 rocket from West Coast in two weeks
    August 8, 2025
  • ULA’s Tory Bruno lays out plans for ramping up launch cadence
    August 7, 2025
  • Poor weather scrubs SpaceX’s second launch attempt to launch 24 Amazon Project Kuiper satellites from CAPE CANAVERAL
    August 6, 2025
  • Starlink mission marks SpaceX’s 450th flight-proven Falcon booster launched
    August 3, 2025
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