Soyuz TM-7 was the seventh mission to Mir space station. The mission began on November 26, 1988, 15:49:34 UTC, launching Commander Alexander Volkov, Flight Engineer Sergei Krikalyov and Research Cosmonaut Jean-Loup Chrétien. They docked with Mir two days later, meeting with the resident crew. While Jean-Loup Chrétien returned 3 weeks later, two other cosmonauts were a part of the fourth long-duration expedition on Mir. During their stay there, cosmonauts performed an EVA and various experiments in biology, medicine, X-ray astronomy, technology etc. They also carried out sky surveys, spectrographic and topographic Earth observation experiments. Crew were visited by three Progress resupply spacecrafts.
Jean-Loup Chrétien returned to Earth on December 21, 1988 in a Soyuz TM-6 spacecraft. The long-duration expedition crew returned on a Soyuz TM-7 spacecraft, landing safely back on Earth on April 27, 1989, 02:57:58 UTC.
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