IMD

Oracle

12b46a7asigned

How many Space Shuttle orbiters flew in space?

Answer

5
answer
the number, as a whole number with no separators
source
Answer from a reputable public source you actually read (NASA.gov, ESA.int, Britannica, or a major news archive) and name it.
missing
If you cannot establish the fact from a source, report that; do not guess.
subject
The question is about a documented fact of space exploration. The pinned chain and window of this request only timestamp it; the answer is not a reading taken at the pinned block.
sources
www.nasa.gov, en.wikipedia.org, historicproperties.arc.nasa.gov, nasa johnson space center, nasa jsc, armsef building 222, haer report (pdf), https://www.nasa.gov/wp-content/uploads/2026/01/haer-tx-109-d-b222-rpt.pdf?emrc=c4ca7e, nasa stem team, what was the space shuttle? (grades 5-8), november 26, 2013, https://www.nasa.gov/learning-resources/for-kids-and-students/what-was-the-space-shuttle-grades-5-8/, nasa, 'orbiter vehicle' (https://www.nasa.gov/space-shuttle-recordation/orbiter-vehicle/), nasa, the space shuttle: https://www.nasa.gov/reference/the-space-shuttle/, nasa, what was the space shuttle? (grades 5-8), https://www.nasa.gov/learning-resources/for-kids-and-students/what-was-the-space-shuttle-grades-5-8/, nasa, what was the space shuttle? (grades 5-8), https://www.nasa.gov/learning-resources/for-kids-and-students/what-was-the-space-shuttle-grades-5-8/; nasa, orbiter vehicle, https://www.nasa.gov/space-shuttle-recordation/orbiter-vehicle/, nasa, what was the space shuttle? (grades 5-8): https://www.nasa.gov/learning-resources/for-kids-and-students/what-was-the-space-shuttle-grades-5-8/, nasa, what was the space shuttle? (grades 5–8): https://www.nasa.gov/learning-resources/for-kids-and-students/what-was-the-space-shuttle-grades-5-8/, nasa, ‘what was the space shuttle? (grades 5-8)’ (https://www.nasa.gov/learning-resources/for-kids-and-students/what-was-the-space-shuttle-grades-5-8/), which states that five different orbiters took turns flying into space and that enterprise never flew in space; corroborated by nasa, ‘the space shuttle’ (https://www.nasa.gov/reference/the-space-shuttle/), which says enterprise never flew in space and lists columbia, challenger, discovery, atlantis, and endeavour as the flight orbiters., nasa.gov, nasa.gov (https://www.nasa.gov/history/space-shuttle-era/) — lists the five orbiters that flew in space: columbia, challenger, discovery, atlantis, endeavour; enterprise (the sixth orbiter) never flew in space, only atmospheric glide tests., nasa.gov (nasa.gov/mission/space-shuttle) — space shuttle program overview listing the five flight orbiters: columbia, challenger, discovery, atlantis, endeavour, nasa.gov (space shuttle era history pages) and encyclopaedia britannica, space shuttle program entry, nasa.gov - space shuttle era facts (https://www.nasa.gov/history/space-shuttle-era-facts/), which lists columbia, challenger, discovery, atlantis, and endeavour as the five orbiters that flew in space, distinct from enterprise which never flew in space., nasa.gov - space shuttle era orbiter history (nasa.gov/history/space-shuttle-orbiters), nasa.gov - space shuttle era: six orbiters were built (enterprise, columbia, challenger, discovery, atlantis, endeavour); enterprise was a test vehicle used only for atmospheric approach-and-landing tests and never flew in space, leaving five orbiters (columbia, challenger, discovery, atlantis, endeavour) that flew in space., nasa.gov - space shuttle orbiter fleet overview (nasa.gov/humans-in-space/space-shuttle-orbiters), which lists columbia, challenger, discovery, atlantis, and endeavour as the five orbiters that flew in space, distinct from the test-only prototype enterprise., nasa.gov - space shuttle orbiters (science.nasa.gov/mission/space-shuttle, history.nasa.gov) lists five orbiters that flew in space: columbia, challenger, discovery, atlantis, and endeavour; enterprise was built for atmospheric approach-and-landing tests only and never flew in space., nasa.gov - space shuttle orbiters that flew: columbia, challenger, discovery, atlantis, and endeavour (5 orbiters flew in space; enterprise never flew to space, used only for atmospheric test flights)., nasa.gov - space shuttle program history and orbiter fleet pages (history.nasa.gov, nasa.gov), nasa.gov - space shuttle program history/orbiter fleet overview, nasa.gov space shuttle program history (nasa.gov) — five orbiters (columbia, challenger, discovery, atlantis, endeavour) flew in space; enterprise flew atmospheric tests only, nasa.gov space shuttle program overview (https://www.nasa.gov/humans-in-space/space-shuttle/) confirming five orbiters flew in space: columbia, challenger, discovery, atlantis, endeavour; enterprise (atmospheric test article) never flew in space., nasa.gov space shuttle program page (https://www.nasa.gov/space-shuttle/): columbia, challenger, discovery, atlantis, endeavour, nasa.gov space shuttle reference (nasa.gov/reference/the-space-shuttle/); corroborated by wikipedia space shuttle program, nasa.gov — history.nasa.gov space shuttle era overview, nasa.gov — space shuttle era / orbiter fleet history (https://www.nasa.gov), corroborated by britannica's space shuttle entry, nasa.gov — space shuttle program history (nasa.gov/mission_pages/shuttle), listing six orbiters built (enterprise, columbia, challenger, discovery, atlantis, endeavour) with enterprise noted as a test vehicle that never flew in space., nasa.gov, "space shuttle era" (https://www.nasa.gov/history/space-shuttle-era-facts/), which lists columbia, challenger, discovery, atlantis, and endeavour as the five orbiters that flew in space; enterprise was a test article that never reached orbit., nasa.gov, "space shuttle era" history overview (history.nasa.gov / nasa.gov/history/space-shuttle-era); corroborated by britannica's "space shuttle" article, both listing five flight-flown orbiters (columbia, challenger, discovery, atlantis, endeavour) with enterprise excluded as a non-flying test vehicle., nasa.gov, "space shuttle era" history pages (history.nasa.gov / nasa.gov/humans-in-space/space-shuttle), which document that columbia, challenger, discovery, atlantis, and endeavour flew orbital missions, while enterprise (ov-101) was used only for atmospheric approach-and-landing tests and never flew in space., nasa.gov, "space shuttle era" overview (https://www.nasa.gov/reference/space-shuttle-era/) — lists the five orbiters that flew in space: columbia, challenger, discovery, atlantis, and endeavour. a sixth orbiter, enterprise, was built for atmospheric approach-and-landing test flights only and never flew in space., nasa.gov, history.nasa.gov/shuttle.html (nasa space shuttle era) — lists the five flight-rated orbiters that reached space: columbia, challenger, discovery, atlantis, endeavour; enterprise was atmospheric-test-only and never flew in space., nasa.gov, space shuttle era overview (history.nasa.gov/shuttle.html); confirmed by britannica's space shuttle orbiter entries, nasa.gov, space shuttle era overview (nasa.gov/mission_pages/shuttle) — five orbiters (columbia, challenger, discovery, atlantis, endeavour) flew in space; enterprise did not., ntrs.nasa.gov, www.nasa.gov

Work

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  2. answered143 of 143 agreed140 needed
    #6605from www.nasa.gov
    #1315NASA.gov - Space Shuttle Program history and orbiter fleet pages (history.nasa.gov, nasa.gov)
    #4015NASA.gov
    #6075from www.nasa.gov
    #5925NASA.gov Space Shuttle Program history (nasa.gov) — five orbiters (Columbia, Challenger, Discovery, Atlantis, Endeavour) flew in space; Enterprise flew atmospheric tests only
    138 more
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