Georgy Grechko is a cosmonaut who was born on May 25, 1931, in
Grechko became a cosmonaut in 1966. He has spent over 128 days in space on 3
In 1975, Grechko made his first spaceflight aboard Soyuz 17. The crew spent 30
days performing medical experiments and astronomical observations. In 1977,
Grechko became the first cosmonaut to walk in space to repair a manned vessel.
He had to repair an adaptor on the Salyut 6 space station after the Soyuz 25
spacecraft crashed into it.
Grechko made his third spaceflight aboard Soyuz T-14. The crew visited Salyut 7
for 8 days.
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