Soyuz 7K-T No.39

Soyuz 7K-T No.39 was an unsuccessful launch of a crewed Soyuz spacecraft by the Soviet Union in 1975. The mission was expected to dock with the orbiting Salyut 4 space station, but due to a failure of the Soyuz launch vehicle the crew failed to make orbit. The crew consisted of commander Vasily Lazarev, and flight engineer Oleg Makarov, a civilian. Although the mission was aborted and did not accomplish its objective, the craft exceeded common space boundaries and therefore is recognized as a sub-orbital spaceflight, which the crew survived. The crew, who initially feared they had landed in China, were successfully recovered.

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April 5 Anomaly; Soyuz 18-1; Soyuz 18a
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Frameless

USSR stamp Soyuz-12 1973

Type	Subtype	Date	Description	Notes	Source
incident	incident		[[1]]		Wikidata
commons	image		USSR stamp Soyuz-12 1973		Commons