Last fired nearly a decade ago, the four Aerojet Rocketdyne RS-25 flight engines in the stage are going through some of their final pre-firing checkouts in the new SLS environment. After another ...

Existing Aerojet Rocketdyne hydrogen-oxygen engine designs and hardware will be used for the SLS core and upper stages, but both the space agency and the prime contractor for the RS-25 and RL10 ...

RS-25 program director at Aerojet Rocketdyne. "We tested the new RS-25 engines to the extreme limits of operation to ensure the engines can operate at a higher power level needed for SLS and ...

The engines are called RS-25, and are made by Aerojet Rocketdyne. The three of them ... as elements of the Space Launch System (SLS) rocket that powers the Artemis Moon exploration program.

L3Harris' Aerojet Rocketdyne broke ground on a major expansion of solid rocket motor production facilities in Camden, Arkansas, on Thursday. (Aerojet Rocketdyne) The construction of four new solid ...

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 ...