Well the Russians used to do this when they had Salyut and Mir space stations. As an example multi-space station mission: https://en.wikipedia.org/wiki/Soyuz

Well the Russians used to do this when they had Salyut and Mir space stations. As an example multi-space station mission: https://en.wikipedia.org/wiki/Soyuz_T-15 https://en.wikipedia.org/wiki/Soyuz_T-15