- 8/30/1931 - 12/27/1982
- American - Deceased
- National Aeronautics and Space Administration
John Leonard "Jack" Swigert Jr. was an American test pilot, mechanical and aerospace engineer, United States Air Force pilot, and NASA astronaut. He was one of twenty-four astronauts who have flown to the Moon. Before joining NASA in 1966, Swigert was a civilian test pilot and fighter pilot in the Air National Guard. After leaving NASA, he was elected to Congress from Colorado's new 6th district, but died before being sworn in.