Kosmos 670

Kosmos 670 (Russian: Космос 670 meaning Cosmos 670) was an unmanned Soyuz 7K-S test.

It used a new and unique inclination of 50.6 degree.

[1] The experience from these flights were used in the development of the successor program Soyuz spacecraft the Soyuz 7K-ST.[2] [3][4][5][6][7]

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