Dobrovolʹskiy (crater)
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Georgy Dobrovolsky
Cabin pressurization
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Kremlin Wall Necropolis
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List of spaceflight records
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Soviet space program
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Space Age
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1971 in science
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List of cosmonauts
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Salyut 1
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List of spaceflight-related accidents and incidents
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List of astronauts by year of selection
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Soyuz 11
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Soyuz 10
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Vladislav Volkov
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Valery Kubasov
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Soyuz 4
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List of people from Ukraine
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1971
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June 1
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June 30
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June 29
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June 6
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Georgiy T. Dobrovolskiy
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