June 4, 2023
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Delta 385

Delta 4

Spy satellite launch on Delta 4-Heavy rocket delayed to August

May 8, 2020 Stephen Clark

The next flight of United Launch Alliance’s triple-barrel Delta 4-Heavy rocket has been delayed from June to late August, military officials said Friday.

Delta 4

ULA completes fueling test on next Delta 4-Heavy rocket

January 11, 2020 Stephen Clark

United Launch Alliance engineers filled a Delta 4-Heavy rocket with super-cold liquid hydrogen and liquid oxygen propellants Friday at Cape Canaveral Air Force Station during a practice countdown before the heavy-lifter’s scheduled liftoff in June with a top secret U.S. government spy satellite.

Delta 4

ULA kicks off next Delta 4-Heavy launch campaign

November 17, 2019 Stephen Clark

The next Delta 4-Heavy rocket was raised vertical Friday at Cape Canaveral, signaling the start of a comprehensive series of pre-flight tests before liftoff next year with a top secret U.S. government spy satellite.

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News Headlines

  • Live coverage: Second-generation Starlink satellites set for launch on Falcon 9 rocket
    June 4, 2023
  • Live coverage: Three Chinese astronauts return to Earth
    June 3, 2023
  • Webb spots vast plume of water vapor spewing from Saturn’s moon Enceladus
    June 2, 2023
  • Third set of upgraded solar arrays ready for ride to International Space Station
    June 2, 2023
  • Technical snags force another delay for Boeing’s Starliner crew capsule
    June 1, 2023
  • Home
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    • Space Station
  • Members
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    • Members Content
  • Live
  • Shop

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