 Nyorai kupfuurira kweiyi ndima - Muna 1971, vashandi veSoyuz 11 Georgy Dobrovolsky, Vladislav Volkov, naViktor Patsayev vakatumira mavhoti avo kubva kunzvimbo yemuchadenga yeSalyut 1 musarudzo ye24th Congress yeCommunist Party yeSoviet Union. Mushumo wenguva imwe cheteyo wakabva kuUPI wakataura kuti mavhoti avo akanga ari okutanga kuiswa achibva muchadenga. 