Four Aerojet Rocketdyne RS-25 engines are fully ... The lower stages of SLS were designed in general around Shuttle rockets and the Core Stage was designed in particular around the RS-25.

The acquisition, which was… Read More Aerojet Rocketdyne says it’s received a $67 million contract award from Lockheed Martin to provide propulsion systems for the Orion spacecraft that’ll ...

Aerojet Rocketdyne plans to complete two other development engine builds in 2021 that will go into the test stand for subsequent test series, including an all-new build that will demonstrate the ...