angkasawan program anousheh ansari astronaut barbara morgan bill nelson charles simonyi christa mcauliffe commercial astronaut daisuke enomoto dennis tito esther dyson european space agency faiz khaleed gregory olsen helen sharman hungary intercosmos international space station iran jake garn japan john glenn ko san korean astronaut program lance bass malaysia mark shuttleworth mir mission specialist nasa nik halik non-aligned movement payload specialist perestroika project juno ria novosti richard garriott russia russian federal space agency russian language sheikh muszaphar shukor south africa south korea soyuz spacecraft space adventures space shuttle space shuttle challenger disaster space tourism teacher in space project tokyo broadcasting system toyohiro akiyama united kingdom united russia united states vladimir gruzdev walter cronkite warsaw pact yi so-yeon