Potrait of astronaut Carl Walz, mission specialist.S95-15563 (18 July 1995) --- Astronaut Carl E. Walz, mission specialist.Image Credit: NASA Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/nasa-astronaut-carl-walz-48996833873-o/Copy URL to clipboard> DownloadShareTagsInternational Space StationImage CreditNASASize4743x5929px