How many total missions did Space Shuttle Atlantis complete during its operational life?
Answer
33
Space Shuttle Atlantis concluded its operational service by completing exactly 33 missions throughout its history. Beyond the number of flights, the vehicle logged 307 days in space during its career and circled the Earth a total of 4,848 times. While STS-135 was its final flight, the cumulative work of Atlantis, including its role as the heavy lifter in assembling the ISS over preceding years, forms the greater part of its legacy, which continues to inform future spacecraft designs.

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