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

June 1-24, 1975. USSR. Moscow Region. Members of the main crew of the Soyuz-19 spacecraft, flight engineer Valery Nikolaevich Kubasov and crew commander Alexei Arkhipovich Leonov (left to right) during English classes in the language lab of the Yuri Gagarin Cosmonaut Training Center during preparations for the joint experimental manned flight of the Soviet spacecraft Soyuz-19 and the American spacecraft Apollo. The exact date of the photo is unknown. Albert Pushkarev/TASS