A wealthy bitcoin entrepreneur and three fellow adventurers plunged back to Earth aboard a SpaceX Crew Dragon capsule Friday, splashing down in the Pacific Ocean off the coast of southern California to close out the first crewed flight around Earth's poles.

Fram2 will send four people from four different nations to low Earth orbit for three to five days. Those crewmembers — all of them spaceflight rookies — are mission commander Chun Wang of Malta, vehicle commander Jannicke Mikkelsen of Norway, pilot Rabea Rogge of Germany, and Australian Eric Phillips, Fram2's medical officer and mission specialist.