A SpaceX capsule carrying four private citizens splashed down off the coast of Florida before dawn 3:36 a.m. ET on Sunday morning, ending a historic mission that included the world’s first all-civilian spacewalk.

Billionaire entrepreneur Jared Isaacman, retired Air Force Lt. Col. Scott “Kidd” Poteet and SpaceX engineers Sarah Gillis and Anna Menon, returned to Earth in a Crew Dragon capsule, splashing down at off the coast of Dry Tortugas, Florida, in the Gulf of Mexico.

“Polaris Dawn…