Star Trek Expanded Universe
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The USS Challenger (NCC-75167) was a Sovereign-class heavy cruiser, laid down in 2371. As of 2373, she was still under construction. (Star Trek: The Adventures of Argus)

Nomenclature[]

The starship was named after the American space shuttle Challenger that disintegrated 73 seconds into its tenth mission, STS-51-L, on 28 January 1986. This resulted in the deaths of all seven crew members including a civilian school teacher, Christa McAuliffe.

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