The SpaceX capsule, whose crew was led by the billionaire Jared Isaacman, splashed down near the Gulf of Mexico early Sunday.

Boeing's Starliner spacecraft, used by NASA in June to launch two astronauts to the International Space Station, has returned to Earth without its crew.

Boeing insisted after extensive testing that Starliner was safe to bring astronauts Butch Wilmore and Suni Williams home, but NASA disagreed.