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Ellison Onizuka

Historical Figure

Ellison Onizuka

d. 1986

American astronaut and engineer (1946–1986)

Late 20th Century

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Biography

Ellison Shoji Onizuka was an American astronaut, engineer, and U.S. Air Force flight test engineer from Kealakekua, Hawaii, who successfully flew into space with the Space Shuttle Discovery on STS-51-C. He died in the destruction of the Space Shuttle Challenger, on which he was serving as Mission Specialist for mission STS-51-L. Onizuka was the first Asian American and the first person of Japanese ancestry to reach space.

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Timeline

The story of Ellison Onizuka, told in moments.

1969 Event

Graduated from the University of Colorado with a degree in aerospace engineering. Commissioned as a U.S. Air Force officer. Became a flight test engineer at McClellan and Edwards Air Force Bases.

1978 Event

Selected by NASA for astronaut training. One of 35 chosen from over 8,000 applicants.

1985 Event

Flew aboard Space Shuttle Discovery on mission STS-51-C. Became the first Asian American and first person of Japanese ancestry to reach space.

1986 Death

Killed when Space Shuttle Challenger broke apart 73 seconds after launch. He was 39. All seven crew members died. An O-ring seal had failed in the cold morning temperatures.

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