ISBN: | 978-5-5122-2584-4 |
High Quality Content by WIKIPEDIA articles! Gregory Carl "Ray J" Johnson (born July 30, 1954, in Seattle, Washington), is a NASA astronaut and a retired captain in the United States Navy who spent his military career in both the Regular United States Navy and the Navy Reserve. He was the pilot on Space Shuttle mission STS-125, the final Hubble servicing mission.