- NASA Home
- > Exploration
- > Systems
- > Space Launch System
- > J2x
){kind=link}
){kind=link}
){kind=link}
Successful J-2X Rocket Engine 500-Second Test
NASA conducted a successful 500-second test firing of the J-2X rocket engine on Wednesday, Nov. 9, marking another important step in development of an upper stage for the heavy-lift Space Launch System (SLS).
Image credit: NASA/SSC