on february 1 , 1990 , during a spacewalk , alexander serebrov dons an abandoned flying seater that had been delivered to mir with kvant 2 . unlike u . s . personnel , who flew untethered flights with a certain device , the soviet gagarin remains attached to the station with a loose cords , since there is no space shuttle to load him up in case of an emergency .
US shuttle Atlantis docks with the Mir space station.