Although many astronauts (and a few space tourists) have paid shorter visits to ISS, the normal duration of an ISS Expedition is six months. Taxonomy upgrade extras: about ISS Add new comment CAPTCHAThis question is for testing whether you are a human visitor and to prevent automated spam submissions. Your comment will also be read before publication. Math question * 2 + 11 = Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.
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