Astronaut Mark Vande Hei jogs on a treadmilliss053e040100 (Sept. 23, 2017) --- NASA astronaut Mark Vande Hei jogs on a treadmill inside the space station. Image Credit: NASA Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/astronaut-mark-vande-hei-23909425818-o/Copy URL to clipboard> DownloadShareTagsInternational Space StationTakenSeptember 23, 2017Image CreditNASASize3280x4928px