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LaurelHS says
Salyut 1 was a Soviet space station, the first-ever space station in orbit. The first cosmonauts to visit it were the Soyuz 10 crew (Vladimir Shatalov, Aleksei Yeliseyev, and Nikolai Rukavishnikov) but they weren't able to enter the station because of technical problems. The first cosmonauts to make a successful visit to Salyut 1 were the Soyuz 11 crew Vladislav Volkov, Georgi Dobrovolski and Viktor Patsayev. They stayed on Salyut 1 for 22 days. But when they left the station to return to Earth, the cabin of their Soyuz spacecraft accidentally depressurized during re-entry, and they weren't wearing spacesuits so they suffocated and died. They had a state funeral and were buried in the Kremlin Wall.
Elizabeth H says
Salyut 1 was abandoned on Oct. 11, 1971 http://www.daviddarling.info/encyclopedia/S/Salyu…
For Me to know says
A Soviet space station
Salyut 1 (DOS-1) (Russian: Салют-1; English translation: Salute 1) was the first space station of any kind, launched by the USSR on April 19, 1971. It was launched unmanned using a Proton-K rocket. Its first crew came later in Soyuz 10, but was unable to dock completely; its second crew launched in Soyuz 11 and remained on board for 23 days. However, a pressure-equalization valve in the Soyuz 11 reentry capsule opened prematurely when the crew was returning, killing all three. Following the accident, missions were temporarily suspended and the station was burned in the atmosphere on purpose after a total of 6 months in orbit.