Educated USAFA; Edwards.
Selected by NASA in January 1990, Gregory became an astronaut in July 1991. Astronaut Gregory has served in the following technical assignments: Shuttle Avionics Integration Laboratory (SAIL); astronaut office representative for Landing/Rollout, T-38 Flying Safety; Kennedy Space Center Astronaut Support Personnel (ASP); and spacecraft communicator (CAPCOM) in mission control.
Gregory served as the STS-67 pilot on the seven-person astronomical research mission aboard the Space Shuttle Endeavour. Launching from the Kennedy Space Center on March 2, 1995, and landing at Edwards AFB on March 18, 1995, the crew established a new mission duration record of 16 days, 15 hours, 8 minutes and 46 seconds, while completing 262 orbits and traveling nearly seven million miles. This second flight of the ASTRO telescope primary payload included numerous secondary payloads as well. Upon completion of this, his first mission, Gregory has logged 400 hours in space.
Gregory currently serves as the astronaut office representative for rendezvous and proximity operations.
Birth Place: African, New York.
Spaceflights: 1 .
Total time in space: 16.63 days.
Mission Specialists: Bachelor's degree in engineering, biological science, physical science or mathematics and minimum three years of related experience or an advanced degree. Vision minimum 20/150 uncorrected, correctable to 20/20. Maximum sitting blood pressure of 140/90. Height between 150 and 193 cm.. Reported to the Johnson Space Center in late July 1990 to begin their year long training. Chosen from 1945 qualified applicants, then 106 finalists screened between September and November 1989.