haruku63 t1_j5tc45a wrote
The photo shows the originally planned crew of Valeri N. Kubasov, left, Aleksei A. Leonov, and Pyotr I. Kolodin. It was replaced a few days before launch by the backup crew.
https://www.nasa.gov/feature/50-years-ago-remembering-the-crew-of-soyuz-11
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