William C. McCool, American commander, pilot, and astronaut (d. 2003)
William Cameron "Willie" McCool (September 23, 1961 – February 1, 2003) (Cmdr, USN) was an American naval officer and aviator, test pilot, aeronautical engineer, and NASA astronaut, who was the pilot of Space Shuttle Columbia mission STS-107. He and the rest of the crew of STS-107 were killed when Columbia disintegrated during reentry into the atmosphere. He was the crew's youngest male member. He was posthumously awarded the Congressional Space Medal of Honor.