Donald Herod Peterson (October 22, 1933 – May 27, 2018) was a United States Air Force officer and NASA astronaut.
Peterson was originally selected for the Air Force Manned Orbiting Laboratory (MOL) program, but, when that was canceled, he became a NASA astronaut in September 1969.
He was a mission specialist on STS-6 on board Challenger.
During the mission Peterson performed a spacewalk to test the new airlock and space suits.