NASA astronaut reveals medical issue that postponed ISS spacewalk

It won’t be happening due to a minor medical issue involving Vande Hei.

NASA said it wasn’t an emergency.

NASA announced the postponementon Monday but didn’t disclose details of the medical issue.

On Tuesday, Vande Hei took to Twitter to thank everyone for their concern.

Thanks for everyones concern.

I have a pinched nerve in my neck that caused us to reschedule todays spacewalk.

The support from family, friends, and NASA leadership has been fantastic.

Im looking forward to installing this IROSA Mod kit.

Vande Hei is an ISS and spacewalk veteran who previously spent time on the station in 2017 and 2018.

He arrived at the ISSin Aprilfor a six-month mission.