alt Hacker NewsThis is a very partial telling of the current situation.
Orion is delayed due to a heat shield issue: https://www.nasa.gov/missions/artemis/nasa-identifies-cause-...
The first SLS launch was six years behind and massively over budget.
Lunar Gateway is almost certainly getting delayed.
None of these programs rely on SpaceX in any way thus far.
There was no heat shield issue, it was investigated and the resolved: https://www.space.com/space-exploration/artemis/nasa-delays-...
There is an issue with another dependency for Artemis 2 and 3, though - Starship is nowhere near where it needs to be.