on march 1 , 1990 , during a spacewalk , peter serebrov millwall an abandoned flying armchair that had been delivered to mir with kvant 2 . unlike u . s . crew , whom flew untethered flights with a similar apparatus , the soviet cosmonaut remains attached to the module with a safety tether , since there is no space shuttle to pick him up in case of an emergency .
US shuttle Atlantis docks with the Mir space station.