May 10, 2025
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
    • Account
  • Live
  • Shop
Breaking News
  • [ May 10, 2025 ] Rocket Lab to debut point-to-point cargo transportation capability on 2026 Air Force mission Mission Reports
  • [ May 10, 2025 ] SpaceX launches 900th Starlink satellite of 2025 during Saturday morning flight Falcon 9
  • [ May 9, 2025 ] SpaceX launches 26 Starlink satellites from Vandenberg Falcon 9
  • [ May 8, 2025 ] White House taps former Air Force colonel for NASA Deputy Administrator role News
  • [ May 7, 2025 ] Vast to complete Haven-1 primary structure in July 2025, ahead of target May 2026 launch date News
  • Twitter
  • Facebook
  • YouTube

RD-180

News

ULA’s candidates to replace RD-180 engine win Air Force funding

March 7, 2016 Stephen Clark

The Pentagon has awarded at least $162 million in contracts to Aerojet Rocketdyne and United Launch Alliance for development of the AR1 and BE-4 rocket engines, candidates to power the first stage of a next-generation rocket and replace the Russian-made engine currently flying on the Atlas 5 launcher.

News

Orbital ATK, SpaceX nab U.S. Air Force propulsion contracts

January 14, 2016 Stephen Clark

Orbital ATK and SpaceX won Pentagon contracts worth a combined value of up to $241 million Wednesday in public-private partnerships crafted to hasten the U.S. military’s move away from Russian-supplied propulsion to deliver national security satellites to orbit.

News

Russian engine purchase adds to ULA’s Atlas 5 inventory

December 30, 2015 Stephen Clark

Freed from a legal restriction officials said limited its ability to compete for future U.S. military satellite launches, United Launch Alliance has ordered 20 new RD-180 engines from Russia that will keep the Atlas 5 rocket flying into the early 2020s.

News

ULA sits out Air Force launch competition

November 16, 2015 Stephen Clark

United Launch Alliance said Monday it did not submit a proposal in a competition to launch a U.S. Air Force GPS navigation satellite, apparently relinquishing the contract to rival SpaceX, the only other company certified to launch the mission.

Members

Q&A with Tory Bruno, ULA’s chief executive

October 13, 2015 Stephen Clark

Tory Bruno has held the top post at United Launch Alliance for a little more than a year, and it has been anything but business as usual for the top U.S. launch provider. He recently spoke with reporters at ULA’s Cape Canaveral launch control center.

News

Boeing rejects bid to buy ULA as engine race heats up

September 17, 2015 Stephen Clark

Boeing said Wednesday it has turned down an offer from Aerojet Rocketdyne to buy United Launch Alliance, a Boeing-Lockheed Martin joint venture that operates the Atlas and Delta rocket fleets.

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.

Atlas 5

Mysterious satellite launched from Florida by Atlas 5 rocket

September 16, 2014 Stephen Clark

Rocketing through gloomy skies with a payload clouded in a veil of secrecy, a United Launch Alliance Atlas 5 rocket fired away from Cape Canaveral on Tuesday to deploy a satellite thousands of miles above Earth.

Posts navigation

« 1 … 4 5

News Headlines

  • Rocket Lab to debut point-to-point cargo transportation capability on 2026 Air Force mission
    May 10, 2025
  • SpaceX launches 900th Starlink satellite of 2025 during Saturday morning flight
    May 10, 2025
  • SpaceX launches 26 Starlink satellites from Vandenberg
    May 9, 2025
  • White House taps former Air Force colonel for NASA Deputy Administrator role
    May 8, 2025
  • Vast to complete Haven-1 primary structure in July 2025, ahead of target May 2026 launch date
    May 7, 2025
  • 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
    • Account
  • Live
  • Shop

© 1999-2025 Spaceflight Now Inc

Spaceflight Now