ULA Selects Aerojet Rocketdyne’s RL10 for Vulcan Upper Stage, but Still no Word on Main Stage Engine

United Launch Alliance has selected Aerojet Rocketdye’s RL10 rocket motor to power the Centaur upper stage on the developmental Vulcan launch vehicle. ULA made the selection after a competitive procurement …

ULA Selects Aerojet Rocketdyne’s RL10 for Vulcan Upper Stage, but Still no Word on Main Stage Engine Read More