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]

This article about one or more spacecraft of the Soviet Union is a stub.

You can help Wikipedia by expanding it.