premise: Soyuz was designed ergonomically.
hypothesis: The Soyuz ( Союз , meaning `` union '' , GRAU index 11A511 ) was a Soviet expendable carrier rocket designed in the 1960s by OKB-1 and manufactured by State Aviation Plant No. 1 in Kuybyshev , Soviet Union . Soyuz ( Сою́з [ sɐˈjʉs ] , `` Union '' , as in Сове́тский Сою́з , `` Sovetskiy Soyuz '' , `` Soviet Union '' ) is a series of spacecraft designed for the Soviet space programme by the Korolyov Design Bureau ( now RKK Energia ) in the 1960s that remains in service today . The Soyuz rocket design is based on the Vostok launcher , which in turn was based on the 8K74 or R-7A Semyorka , a Soviet intercontinental ballistic missile .