| First name and last name | Gregory C. Johnson |
| Date of birth | 30.07.1954 |
| Nationality | American |
| Space Agency | National Aeronautics and Space Administration (NASA) |
| Status | Retired |
| Type of astronaut | Government agency |
| X | https://twitter.com/AstroRayJ |
| Wikipedia | https://en.wikipedia.org/wiki/Gregory_C._Johnson |
Additional information Gregory C. Johnson
Gregory Carl "Ray J" Johnson is a former American naval officer and aviator, test pilot, aerospace engineer, and NASA astronaut. He spent his military career in both, the United States Navy and the Navy Reserve. He was the Pilot on Space Shuttle mission STS-125, the final Hubble Space Telescope servicing mission.
