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Thomas
Kenneth Mattingly II
(Ken)

Born: 17 March 1936, Chicago, Illinois, United States
Nationality: American
Died:
| Flights: | |||
| 1 | Apollo 16 | 16 April 1972 | 11 days, 1 hour, 51 minutes |
| 2 | STS-4 | 27 June 1982 | 7 days, 1 hour, 10 minutes |
| 3 | 51-C | 24 January 1985 | 3 days, 1 hour, 33 minutes |
| EVA's: | |||
| 1 | Apollo 16 | 25 April 1972 | 1 hours, 24 minutes |
Mattingly was originally a member of the prime crew for Apollo 13. He was exposed to German measles and replaced by Jack Swigert.