Zvezda (moon base)
moon base Zvezda is the first ever lunar outpost from the soviet union, and was constructed between 1962 to 1964. the base consists of 9 modules each serving a different purpose like habitation galley laboratory and medical bay, and is base can be occupied by up to 12 people. the base use a variety of rovers all derived from the lunokhod rover with the most prominent being the moon train, which is a crewed rover train with 3 modules that can be accompanied by a mining and prospecting rover.