Gregory C. Johnson

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Gregory Johnson
Born	Gregory Carl Johnson (1954-07-30) July 30, 1954 (age 69) Seattle, Washington, U.S.
Other names	Ray J
Education	University of Washington (BS)
Space career
NASA astronaut
Rank	Captain, USNR
Time in space	12d 21h 38m
Selection	NASA Group 17 (1998)
Missions	STS-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.