Pedzisa mutsara unotevera: STS-133 ibasa rechi39 uye rokupedzisira re"Discovery" muchadenga, basa rechi35 rokutakura zvinhu kuenda kuISS, uye rwendo rwechi133 muchirongwa chose chokutakura zvinhu. "Discovery" yakasvika pazviteshi zviviri zvomuchadenga zvakasiyana, "Mir" neISS, uye yakanga iri shuttle yokutanga kubhururuka pashure pe"Challenger" ne"ISS"
"Columbia" njodzi. "Discovery" yakaita rwendo rwayo rwokutanga paSTS-41-D muna 1984, kubvira ipapo yakava nzvimbo ine ruzivo uye yakare kudarika dzose dzakapona, uye yakapa mitoro inobatsira kumhepo yakadai seHubble Space Telescope uye kuva yekutanga shuttle kubhururuka muRussia cosmonaut muchadenga.