 Selected as an astronaut by NASA in December 1994, Edwards reported to the Johnson Space Center in March 1995.He worked on technical issues for the Space Shuttle and International Space Station in the Safety Department of the Astronaut Office.He also served as Technical Assistant to the Director, Flight Crew Operations Directorate, NASA Director of Operations (DOR), Russia, and Astronaut CAPCOM representative in Mission Control for Shuttle ascent and entry.