became a test pilot. in 1962, he was chosen as part of the first group of astronauts selected after the mercury 7. his name may not be a household one. but many inside the space program believe his accomplishments rival those of shepard, glen and armstrong. his legacy in american space history really is in some ways more significant than armstrong s. john s career, with nasa, is over 40 years long. and he was he was so important to the entire human space flight program. reporter: during that time, about the only thing john young didn t fly was in a mercury capsule. in 1965, he and gus grissom flew the first two-man flight on board gemini 3. he flew again on gemini 10 and apollo 10 and walked on the moon with apollo 16 in 1972.
pilot. in 1962, he was chosen as part of the first group of astronauts selected after the mercury 7. his name may not be a household one, but many inside the space program believe his accomplishments rival those of shepard, glen and armstrong. his legacy in american space history really is in some ways more significant than armstrong s. john s career, with nasa, is over 40 years long. and he was he was so important to the entire human space flight program. reporter: during that time, about the only thing john young didn t fly was in a mercury capsule. in 1965, he and gus grissom flew the first two-man flight on board gemini 3. he flew again on gemini 10 and apollo 10 and walked on the moon with charlie duke on apollo 16 in 1972. a signature moment, duke snapped