Question: Who was an American aviator, aeronautical engineer, and USAF astronaut, and the pilot of an experimental aircraft?
Sentence (from "William J. Knight"): William John "Pete" Knight (November 18, 1929 – May 7, 2004), (Col, USAF), was an American aeronautical engineer, politician, Vietnam War combat pilot, test pilot, and astronaut in the X-20 Dyna-Soar and North American X-15 programs.
Relevant evidence: No