SLS and Boeing began organizational changes ... three-piece nozzle extension that is partially deployed after stage separation and before the first engine start. The engine nozzle is ...

It is used to provide GN2 (gaseous nitrogen) to the SLS core stage. Six meters above that ... None of the swing arms use pyrotechnic separation systems as previous NASA rockets have.

This will pave the way for crewed missions, with a landing in 2024. The last piece of the SLS' 64m (212ft) -tall core stage was the complicated engine section. This will serve as the attachment ...

As a new administration looms, NASA's Artemis II SLS moon rocket is ready for stacking inside the VAB. The goal is a 2026 ...