Gregory C. Johnson

Gregory Johnson
Born
Gregory Carl Johnson

(1954-07-30) July 30, 1954 (age 70)
Other namesRay J
EducationUniversity of Washington (BS)
Space career
NASA astronaut
RankCaptain, USNR
Time in space
12d 21h 38m
SelectionNASA Group 17 (1998)
MissionsSTS-125
Mission insignia

Gregory Carl "Ray J" Johnson (born July 30, 1954), (CAPT, USNR, Ret.), is a retired American naval officer and naval aviator, test pilot, aerospace engineer, and NASA astronaut. He spent his military career in both the regular United States Navy and the Navy Reserve. Johnson was the pilot on Space Shuttle mission STS-125, the final Hubble Space Telescope servicing mission.