Astronaut Jonny Kim is making a significant change in his career as he steps away from NASA after nearly a decade. He is scheduled to return to active duty with the US Navy on August 27, 2026. Kims distinguished background encompasses roles as a Navy SEAL, a physician, and a naval aviator, with notable experience from an eight-month mission on the International Space Station.

After nearly a decade of service to NASA, including an eight-month science expedition aboard the International Space Station, astronaut Jonny Kim’s last day

"Jonny has been an integral part of the agency, and his immeasurable impact will be felt for generations to come."