description Soyuz 11 Overview
Soyuz 11 was a Soviet crewed space mission launched in 1971 to support the first crewed occupation of the Salyut 1 space station. The mission successfully docked with the station, but its three cosmonauts died during the return flight when the spacecraft cabin lost pressure. Soyuz 11 remains a major subject in the history of human spaceflight and spacecraft safety.
help Soyuz 11 FAQ
What was Soyuz 11's mission?
Soyuz 11 was a Soviet crewed mission launched in 1971 to support the first crewed occupation of the Salyut 1 space station. The crew successfully docked and lived aboard the station before the return accident.
What happened to the Soyuz 11 crew?
Cosmonauts Georgy Dobrovolsky, Vladislav Volkov, and Viktor Patsayev died during the return flight. Their spacecraft cabin lost pressure after undocking, exposing the crew to vacuum.
Why is Soyuz 11 important in spaceflight history?
It carried the first crew to occupy a space station, Salyut 1. The fatal depressurization also led to major changes in crew-protection procedures and spacecraft design.
Did the Soyuz 11 crew die during launch or landing?
They died during the return phase, before landing, when the cabin lost pressure. The spacecraft continued its descent and landed automatically, but the crew could not survive the depressurization.
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