Job

RS-25 core stage engines (Aerojet Rocketdyne)

Contracted by NASA from Aerojet Rocketdyne · Artemis I

RS-25 engines, from Aerojet Rocketdyne, power the SLS core stage.

Schematic

New-production RS-25 core engines, RS-25 / SLS custom tubing, RS-25 / SLS engine precision parts, RS-25 combustion chamber coolant tubes, RS-25 industrial continuity, and RS-25 nozzle jacket chemical milling are the jobs under this set.

Who built it

BuilderAerojet RocketdyneContracted by NASA

BuyerNASA

Under

SLS core stage (Boeing)

Parent job

In this suite

New-production RS-25 core engines (Aerojet · Artemis V)

Artemis V is the first SLS flight NASA names for new-production RS-25 engines at 111% thrust. · Aerojet Rocketdyne

RS-25 / SLS custom tubing (Precision Tube Bending)

Precision Tube Bending manufactures custom tubing for SLS core stage systems and RS-25 engines (CA Artemis industrial recognition). · Precision Tube Bending

RS-25 / SLS engine precision parts (TECMA)

TECMA (Sacramento) precision-machines parts for SLS rocket engine and ignition-area hardware (CA Gov Artemis II list + multi local news). · TECMA

RS-25 combustion chamber coolant tubes (LeFiell)

LeFiell company path: qualified supplier of combustion-chamber coolant tubes for engines powering SLS. · LeFiell Manufacturing Company

RS-25 industrial continuity (L3Harris / Aerojet Rocketdyne)

L3Harris industrial ownership path for Aerojet Rocketdyne RS-25 engines on SLS core (NASA partners + RS-25 reference). · L3Harris (ARDÉ)

RS-25 nozzle jacket chemical milling (Precision Aerospace)

Precision Aerospace chemically mills precision RS-25 engine components, including ultra-thin nozzle jackets (CA Artemis II industrial recognition). · Precision Aerospace

Flights

Artemis I2022-11-16

Artemis II2026-04-01 · Orion

Artemis IIINET late 2027 · HLS test articles (Blue Moon MK2 pathfinder + Starship V3)