Tom later completed the air force experimental flight test pilot school as a civilian and was ranked in top five out of This flight school was a prerequisite for the space astronaut program, including the original Mercury Seven to include Gus Grissom and Gordon Cooper, who he performed better than. He qualified to be one of the first astronauts in space with the Mercury 7 astronauts but a last-minute decision excluded all civilian candidates; thereby excluding Tom from being an original astronaut.
Tom continued his storied aviation career with stints at general motors with the f84 thunderstruck, Beech Craft Lear Jet and Vice President of Piper Aircraft. He finished his career running flight safety academy flight school in Vero Beach, Florida.