Preparation for a joint space flight under the Soyuz-Apollo program

June 1-18, 1975. USSR. Moscow Region. Members of the main crew of the Soyuz-19 spacecraft, commander Alexei Arkhipovich Leonov and flight engineer Valery Nikolaevich Kubasov (left to right) before the start of the final comprehensive training in preparation for the joint experimental manned flight of the Soviet spacecraft Soyuz-19 and the American spacecraft Apollo at the Gagarin Cosmonaut Training Center in Star City. The exact date of the photo is unknown. Albert Pushkarev/TASS