Soyuz Owners' Workshop Manual: 1967 onwards (all models) - An insight into Russia's flagship spacecraft, from Moon missions to the International Space Station | David Baker
The Soyuz spacecraft played a major role in Russia's plans for a manned landing on the Moon and several test models were flown at the height of the 'space race'. Originally designed for circumlunar flight, Soyuz has been the mainstay of Russia's space program.