The U.S. government relies on SpaceX to support NASA and other agencies, and the company has received more $20 billion in federal contracts for it. As Musk and Trump threaten to cut ties, here’s what that would mean for the U.

NASA is delaying the earliest potential next flight of Boeing Co.’s troubled Starliner spacecraft to 2026, pushing back a key milestone for a vehicle meant to serve as an alternative to the Dragon spacecraft owned by Elon Musk’s SpaceX.