Brian Duffy

Brian Duffy (born June 20, 1953, Boston, Massachusetts) is a retired U.S. Air Force colonel and a former NASA astronaut.

He flew aboard four Space Shuttle missions. Duffy was the pilot on STS-45 Atlantis, the first of the ATLAS series of missions to address the atmosphere and its interaction with the Sun. He also was the pilot on STS-57 Endeavour and commanded a six-man crew on STS-72 Endeavour.

Duffy commanded a crew of seven on STS-92 Discovery in 2000 and is currently the Vice President and Associate Program Manager for the Lockheed Martin Corporation.