Air Force Funds Both AR1 and BE-4 Rocket Engine Development to Replace ULA's Russian RD-180

BE-4 methane engine components undergo hot-fire test at the Bezos West Texas test site. Photo Credit: Blue Origin

The U.S. Air Force (USAF) decision to continue funding both the Aerojet Rocketdyne AR1 and the Blue Origin BE-4 engines will end United Launch Alliance (ULA) dependance on the Russian RD-180 for the Atlas-V rocket […]

Reusable Rocket Systems Eyed For ULA’s Next Generation Launchers

The United Launch Alliance (ULA) Delta-IV Heavy will be totally phased out by the BE-4 methane powered Next Generation Launch System (NGLS). Photo Credit: Mike Killian / AmericaSpace

Reusable rocket elements will likely be part of the Next Generation Launch System (NGLS) being unveiled by United Launch Alliance (ULA) at the 31st National […]

ATK Offers Solid Alternative to Replace ULA's Controversial Atlas-V Liquid RD-180 Engine

The Russian RD-180 engines which currently power the core stage of ULA’s fleet of Atlas-V rockets. Photo Credit: NASA

Last August the U.S. Air Force Space and Missile Systems Center issued a Booster Propulsion and Launch System Request for Information (or RFI) for development of a new engine to replace the controversial Russian-made […]

ULA Investing in Development of Domestic Atlas-V Engine Alternative to Russian RD-180, First Flight Expected in 2019

A ULA Atlas-V rocket, under the power of a Russian RD-180 engine, launching NASA’s TDRS-L satellite. On June 16, 2014, ULA announced their intention to invest in the production of a U.S. domestic engine to replace the RD-180, with the first flight of the new engine expected to occur in 2019. Photo Credit: […]