Raised in Lake Fenton, Michigan, Bloomfield received his bachelor's degree from the United States Air Force Academy and trained as an F-15 and F-16 fighter pilot. He earned his master's degree from Old Dominion University before being selected as an astronaut candidate in 1994.
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 since 2006, before resigning from NASA in July 2007.