Soyuz TMA-6
On April 15, 2005, Vittori participated in a second taxi-flight to the International Space Station (ISS), Soyuz TMA-6, returning to Earth on April 24 in the Soyuz TMA-5 capsule. He became the first European astronaut to visit the ISS twice and conducted experiments in upper limb fatigue in astronauts and germination of herbaceous plant seeds for possible space nutrition.
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