(Radio Iowa)- The SpaceX Dragon capsule carrying Iowa native astronaut Peggy Whitson and her three crewmates splashed down about 4:30 Central this (Tuesday) morning in the Pacific Ocean just off the coast of San Diego.

It completes an 18-day research mission aboard the International Space Station. Whitson is America’s most experienced astronaut, now with nearly 700 days in space over five missions.

Axiom Dragon space capsule after splash down Tue. morning (Axiomspace.com screenshot)