Pre-flight training of the Soyuz-11 spacecraft crew

March 1971. USSR. Moscow Region. The crew of the Soyuz-11 spacecraft, consisting of commander Georgy Timofeevich Dobrovolsky, Hero of the Soviet Union, flight engineer Vladislav Nikolaevich Volkov and research engineer Viktor Ivanovich Patsayev, during training on the spacecraft simulator at the Yury Gagarin Cosmonaut Training Center in Star City as part of the crew's pre-flight training. The exact date of the photo is unknown. Vladimir Musaelyan/TASS