NASA astronauts Anne McClain, Nichole Ayers and two international crew members splashed down in the Pacific off California Saturday in the first such landing for NASA in 50 years.

Four astronauts returned to Earth on Saturday after hustling to the International Space Station five months ago to relieve the stuck test pilots of Boeing’s.

The Crew-10 mission, returning on a SpaceX capsule, had replaced astronauts Wilmore and Williams, who were stranded aboard the International Space Station for nine months.