October 12, 2025
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Breaking News
  • [ October 9, 2025 ] U.S. Space Force picks Blue Origin bid for expanding satellite processing at Cape Canaveral News
  • [ October 9, 2025 ] SpaceX delays launching Amazon’s Project Kuiper satellites amid backdrop of poor weather Falcon 9
  • [ October 7, 2025 ] SpaceX launches 28 Starlink satellites with a Falcon 9 booster flying for a 29th time Falcon 9
  • [ October 6, 2025 ] SpaceX launches Falcon 9 rocket on 90th Starlink mission of 2025 Falcon 9
  • [ October 4, 2025 ] SpaceX to launch 4 Falcon Heavy rockets as part of newest U.S. national security missions award News

Aerojet Rocketdyne

Atlas 5

Atlas 5 to sport new upper stage engine Thursday

December 8, 2014 Justin Ray

The most powerful Atlas rocket to ever fly from the West Coast is poised for launch Thursday to deliver a secret payload into orbit while debuting a new upper stage engine.

AR1 Twin Booster
News

Aerojet Rocketdyne touts AR1 engine for Atlas 5

October 1, 2014 William Harwood

Aerojet Rocketdyne is pressing ahead with development of a powerful new rocket engine that company officials believe will be an attractive alternative to the Russian-built RD-180 engine that now powers the first stage of United Launch Alliance’s workhorse Atlas 5 booster.

Posts pagination

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News Headlines

  • U.S. Space Force picks Blue Origin bid for expanding satellite processing at Cape Canaveral
    October 9, 2025
  • SpaceX delays launching Amazon’s Project Kuiper satellites amid backdrop of poor weather
    October 9, 2025
  • SpaceX launches 28 Starlink satellites with a Falcon 9 booster flying for a 29th time
    October 7, 2025
  • SpaceX launches Falcon 9 rocket on 90th Starlink mission of 2025
    October 6, 2025
  • SpaceX to launch 4 Falcon Heavy rockets as part of newest U.S. national security missions award
    October 4, 2025
  • SpaceX launches 3rd consecutive Falcon 9 rocket from Vandenberg SFB, uninterrupted by a Cape mission
    October 2, 2025
  • ViaSat-3 F2 satellite arrives in Florida ahead of late October launch
    October 1, 2025
  • Report argues NASA is illegally using President’s Budget Request to circumvent Congress’ budgeting process
    October 1, 2025
  • Axiom Space taps Portuguese physiologist as first ‘Project Astronaut’
    September 30, 2025
  • Ground testing anomaly destroys Firefly Aerospace’s Alpha booster intended for next flight
    September 30, 2025
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