Pilot-Cosmonaut Gagarin (right) and Nikolayev (center) during classes in the Hydraulics Laboratory of the Zhukovsky Air Force Academy.
- Categories: Education, Unrest, Conflicts & War, Science & Technology
- Location: Moscow, Russia
- Event date: 01.10.1964
- Date published: 21.10.2004
- Author: Vitaly Shitov
- Source: Sputnik
- Credit: Sputnik
- Original: А71-4660, 6x7 film
- Media: JPEG, 3000x2404px, 1.8Mb