Cosmos 869

Cosmos 869 was an uncrewed Soyuz 7K-S test. This was the third and final test flight of this new Soyuz spacecraft. It was designed to be a spaceship for military solo missions. At the time of the launch the program had already been discontinued. This is Soyuz's 39th flight. The Soyuz is a Soviet crewed spaceship, developed to made crewed lunar missions. This version called 7K will fly 4 times on the giant launcher N1, and several tens of times on Proton to fly over the Moon, which will be successful during the mission Zond 4. Soyuz will become the first spacecraft to transport living beings to the Moon during the flight of Zond 5, with two turtles. Subsequently, it is adapted to low orbit and will fly on the Soyuz launcher to serve the Salyut and Mir stations and the ISS.