Top 3 Longest Crewed Missions in ISS History

The International Space Station has hosted record-breaking stays, with several missions pushing the boundaries of human endurance in microgravity.

The top 3

  1. Frank Rubio’s 371-Day Record: NASA astronaut Frank Rubio set the record for the longest single spaceflight by an American, staying aboard the ISS for 371 days in 2023. Frank Rubio
  2. Valeri Polyakov’s 437-Day Marathon: Russian cosmonaut Valeri Polyakov holds the all-time record for the longest single spaceflight, spending 437 consecutive days on the Mir station in the mid-90s. Valeri Polyakov
  3. Scott Kelly’s Year in Space: Scott Kelly's 340-day mission in 2015-2016 provided critical data on the long-term biological effects of spaceflight on the human body. Scott Kelly

Sources

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