When did Space Shuttle Discovery complete its first mission?
Answer
November 1984
Space Shuttle Discovery entered service relatively early in the overall program timeline, following the initial flights of Columbia and Challenger. Its maiden voyage into space occurred in November 1984. This early entry allowed Discovery to accumulate a significant service record, including undertaking 39 missions across nearly three decades of active service before its final flight in 2011. This start date firmly places it among the original operational shuttle orbiters.

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Space Shuttle Discovery: Discover What's Inside - YouTube
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