October 23, 2025
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Breaking News
  • [ October 23, 2025 ] Live coverage: SpaceX to expend Falcon 9 booster to launch Spainsat NG 2 communications satellite Falcon 9
  • [ October 22, 2025 ] SpaceX launches 28 Starlink satellites on 550th Falcon 9 mission Falcon 9
  • [ October 18, 2025 ] SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Vandenberg Falcon 9
  • [ October 18, 2025 ] SpaceX launches a Falcon 9 rocket on record-breaking 31st flight Falcon 9
  • [ October 17, 2025 ] Orion spacecraft arrives at VAB ahead of stacking for Artemis 2 Mission Reports

Waterside view of Delta 4 GPS 2F-6 Launch

May 16, 2014 Stephen Clark

The May 16, 2014 launch of a United Launch Alliance Delta 4 rocket carrying the GPS 2F-6 navigation satellite. Video: Stephen Clark/Spaceflight Now

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  • Delta 4
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Related Articles

Mission Reports

Lockheed Martin to buy rocket engine-builder Aerojet Rocketdyne

December 21, 2020 Stephen Clark

Lockheed Martin, the largest U.S. defense contractor, announced late Sunday that it has reached a deal valued at $4.4 billion to acquire Aerojet Rocketdyne, a supplier of engines to NASA’s Space Launch System moon rocket and United Launch Alliance’s Atlas, Delta, and Vulcan rockets.

Delta 4

Photos: Delta 4-Heavy rocket lights up Cape Canaveral

December 15, 2020 Stephen Clark

These photos show the fiery liftoff of a United Launch Alliance Delta 4-Heavy rocket from Cape Canaveral on Dec. 10, riding three pillars of flame from its hydrogen-fueled RS-68A main engines.

Ariane 5

Delta 4-Heavy launches U.S. spy satellite after months of delays

December 11, 2020 Stephen Clark

Running more than three months late, a United Launch Alliance Delta 4-Heavy rocket took off Thursday and carried a U.S. government spy satellite into an orbit thousands of miles above Earth in the first mission from the newly-renamed Cape Canaveral Space Force Station.

News Headlines

  • Live coverage: SpaceX to expend Falcon 9 booster to launch Spainsat NG 2 communications satellite
    October 23, 2025
  • SpaceX launches 28 Starlink satellites on 550th Falcon 9 mission
    October 22, 2025
  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Vandenberg
    October 18, 2025
  • SpaceX launches a Falcon 9 rocket on record-breaking 31st flight
    October 18, 2025
  • Orion spacecraft arrives at VAB ahead of stacking for Artemis 2
    October 17, 2025
  • SpaceX sends 28 Starlink satellites to low Earth orbit in predawn launch
    October 15, 2025
  • SpaceX launches 2nd batch of satellites for Space Development Agency following weather scrub
    October 14, 2025
  • Rocket Lab launches 7th StriX Earth observation satellites for Japan-based Synspective
    October 14, 2025
  • SpaceX launches final Version 2 Starship-Super Heavy rocket
    October 14, 2025
  • SpaceX launches 24 Amazon Kuiper satellites following days of weather delays
    October 13, 2025
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