Selected by NASA in December 1994, Bloomfield reported to the Johnson Space Center in March 1995. He worked as Chief of Safety for the Astronaut Office, Chief Instructor Astronaut, Director of Shuttle Operations, and Chief of the Shuttle Branch, which oversees all Shuttle technical issues for the Astronaut Office.
He first flew as a pilot aboard STS-86 in 1997, where he docked with the space station Mir. Bloomfield also piloted STS-97 in 2000 and commanded STS-110 in 2002, both missions to the International Space Station.
Bloomfield has served as Deputy Director of Flight Crew Operations at NASA's Johnson Space Center in Houston, Texas since 2006, before resigning from NASA in July 2007. Michael then became Vice President of the Constellation Program for ATK.
Post-NASA career
He currently serves on the board of directors at Space Center Houston[2] and resides in suburban Houston, Texas.