on february 1 , 1990 , during a foale , alexander serebrov notts an experimental flown armchair that had been delivered to mir with kvant 2 . unlike u . s . personnel , who flew untethered missions with a similar unit , the human cosmonaut remains fixed to the station with a safety tether , but there is no special flight to picking him up in case of an emergency .
US shuttle Atlantis docks with the Mir space station.