Astronaut Mark Vande Hei“When NASA hired me to be an astronaut, I had a lot of imposter syndrome going on. It was as if I was braced for someone to realize they had made a mistake hiring me. I love my job at NASA." – Mark Vande Hei, Astronaut, NASA's Johnson Space CenterRead More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/astronaut-mark-vande-hei/Copy URL to clipboard> DownloadShareSize1041x693px