Michael R. Clifford

Michael Richard Clifford was a United States Army officer and NASA astronaut. Clifford was a Master Army Aviator and logged over 3,400 hours flying in a wide variety of fixed and rotary winged aircraft. He retired from the U.S. Army at the rank of lieutenant colonel. He logged six hours of spacewalk time over three Space Shuttle missions. He was also one of the first people to conduct a spacewalk while docked to an orbiting space station: that spacewalk was conducted during STS-76, while docked at the Russian space station Mir.