WASHINGTON (Reuters) – Aerojet Rocketdyne Holdings Inc is on track to complete development of its AR1 rocket engine by 2019 as a replacement for the Russian-built RD-180 engine after receiving …read more Source:: UKScienceNews
WASHINGTON (Reuters) – Aerojet Rocketdyne Holdings Inc is on track to complete development of its AR1 rocket engine by 2019 as a replacement for the Russian-built RD-180 engine after receiving …read more Source:: UKScienceNews