Mars 4

Mars 4, also known as 3MS No.52S was a Soviet spacecraft intended to explore Mars. A 3MS spacecraft launched as part of the Mars programme, it was intended to enter orbit around Mars in 1974. However, computer problems prevented orbital insertion from occurring.

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Soviet space probe Mars 4

Soviet space probe Mars 4

Type	Subtype	Date	Description	Notes	Source
incident	incident		[[1]]		Wikidata
commons	image		Soviet space probe Mars 4		Commons
commons	image		Soviet space probe Mars 4		Commons