50th anniversary: The Soyuz 11 spacecraft experienced uncontrolled decompression during...
History · Anniversaries · Tue, June 29, 2021
1971: The Soyuz 11 spacecraft experienced uncontrolled decompression during preparations for reentry, killing Soviet cosmonauts Vladislav Volkov, Georgy Dobrovolsky and Viktor Patsayev, the only human deaths to have occurred in space.
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- Wikipedia
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- Wikipedia "On this day" selected anniversary, 50 years (1971 to 2021).
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- 2026-09-25: added to 2021-06-29