April 3, 2026
Spaceflight Now
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop
  • Donate
Breaking News
  • [ April 2, 2026 ] Artemis 2 crew blasts off on historic moon mission Artemis
  • [ April 1, 2026 ] Live coverage: NASA to launch Artemis 2, its first Moon-bound mission with astronauts since 1972 Artemis
  • [ March 30, 2026 ] Falcon 9 booster launches for record 34th time on Starlink delivery mission Falcon 9
  • [ March 30, 2026 ] SpaceX launches 119 payloads on smallsat rideshare mission from California Falcon 9
  • [ March 26, 2026 ] SpaceX launches batch of Starlink satellites from the West Coast Falcon 9

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.

Posts pagination

« 1 2 3

News Headlines

  • Artemis 2 crew blasts off on historic moon mission
    April 2, 2026
  • Live coverage: NASA to launch Artemis 2, its first Moon-bound mission with astronauts since 1972
    April 1, 2026
  • Falcon 9 booster launches for record 34th time on Starlink delivery mission
    March 30, 2026
  • SpaceX launches 119 payloads on smallsat rideshare mission from California
    March 30, 2026
  • SpaceX launches batch of Starlink satellites from the West Coast
    March 26, 2026
  • NASA outlines ambitious $20 billion plan for moon base
    March 25, 2026
  • SpaceX launches 29 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    March 22, 2026
  • SpaceX launches 25 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    March 20, 2026
  • NASA returns its SLS rocket back to the launch pad ahead of planned April flight of Artemis 2
    March 19, 2026
  • SpaceX launches 29 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    March 18, 2026
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop
  • Donate

© 1999-2026 Spaceflight Now Inc