Question: On which mission did the TPS graduate after which the Onizuka Prop Wash Award is named successfully fly into space?
Sentence (from "Ellison Onizuka"): Ellison Shoji Onizuka (June 24, 1946 – January 28, 1986 ) was an American astronaut from Kealakekua, Hawaii, who successfully flew into space with the Space Shuttle "Discovery" on STS-51-C.
Relevant evidence: Yes