Cosmonaut Aleksey A. Leonov (left) and astronaut Thomas P. Stafford take part in joint crew training at the Cosmonaut Training Center known as Star City, near Moscow. They are inside a Soviet Soyuz orbital module trainer.
Cosmonaut Aleksey A. Leonov (left) and astronaut Thomas P. Stafford take part in joint crew training at the Cosmonaut Training Center known as Star City, near Moscow. They are inside a Soviet Soyuz orbital module trainer.Image Credit: NASA