on may 1 , 1990 , during a spacewalk , alexander serebrov dons an artificial flying armchair that had been brought to iss with kvant 2 . lacking s . s . astronauts , who attempted untethered wings with a similar device , the other cosmonaut remains attached to the station with a safety tether , since there is no space shuttle to pick him up in case of an error .
US shuttle Atlantis docks with the Mir space station.