Question: What project did an American aerospace engineer, test pilot, United States Air Force pilot, and one of the seven original astronauts, also referred to as the Original Seven or Astronaut Group 1, participate in?
Sentence (from "Mercury Seven"): These seven original American astronauts were Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard, and Deke Slayton.
Relevant evidence: No