About
As part of the third group of NASA astronauts, he died while training for the his first space flight.
Before Fame
He flew 275 combat missions in the Vietnam War, and altogether logged over 5,000 flying hours.
Trivia
He and another astronaut were training for the Gemini 9 mission when their trainer jet crashed, killing them both.
Family Life
He was married with two children.
Associated With
Unlike fellow astronaut Neil Armstrong, he never made it to space.
