These two posters dedicated to Ukrainian scientist Yuriy Kondratyuk. Who developed a key concept for landing and return spaceflight from Earth to the Moon, known as Lunar Orbit Rendezvous. 40 years later the first man landed on the Moon during the Apollo 11 mission, based on his concept.
Lunar Orbit Rendevous scheme according to which Apollo ships flew to the Moon and back to Earth.
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