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Ellison Shoji Onizuka

Born: 24 June 1946, Kealakekua, Hawaii, United States
Nationality: American
Died: 28 January 1986 (Challenger explosion)
| Flights: | |||
| 1 | 51-C | 24 January 1985 | 3 days, 1 hour, 33 minutes |
| 51-L | 28 January 1986 | 73 seconds | |
Onizuka was a lieutenant colonel in the United States Air Force. He was a mission specialist aboard 51-L. Ellison had both a bachelor and master of science degrees in aerospace engineering from the University of Colorado. He left behind a wife and two daughters.