Mike Fincke has identified himself as the NASA astronaut whose medical condition prompted the space agency’s first-ever medical evacuation.
The 58-year-old spaceflight veteran said Wednesday that he was the ailing crew member last month aboard the International Space Station.
He did not say what was wrong with him but explained that his condition quickly stabilized thanks to his crewmates and flight surgeons on the ground.
Fincke said he’s doing well now.
“Spaceflight is an incredible privilege, and sometimes it reminds us just how human we are,” he wrote.

Fincke launched with three others on a SpaceX flight last summer. Their mission came to an early end on Jan. 15, a week after he experienced what he called a “medical event that required immediate attention.”
The health concern also forced the cancellation of a planned spacewalk by Fincke and another NASA astronaut.
Fincke, a retired Air Force colonel chosen by NASA as an astronaut in 1996, has logged 549 days in space over four missions.
He wrote in a statement, “On Jan. 7, while aboard the International Space Station, I experienced a medical event that required immediate attention from my incredible crewmates. Thanks to their quick response and the guidance of our NASA flight surgeons, my status quickly stabilized.

“After further evaluation, NASA determined the safest course was an early return for Crew-11—not an emergency, but a carefully coordinated plan to be able to take advantage of advanced medical imaging not available on the space station. On Jan. 15, we splashed down off the coast of San Diego after an amazing five-and-a-half-month mission.
“I am deeply grateful to my fellow Expedition 74 members—Zena Cardman, Kimiya Yui, Oleg Platonov, Chris Williams, Sergey Kud-Sverchkov, and Sergei Mikayev—as well as the entire NASA team, SpaceX, and the medical professionals at Scripps Memorial Hospital La Jolla near San Diego. Their professionalism and dedication ensured a positive outcome.
“I’m doing very well and continuing standard post-flight reconditioning at NASA’s Johnson Space Center in Houston. Spaceflight is an incredible privilege, and sometimes it reminds us just how human we are. Thank you all for your support.”