 The Voskhod programme began in 1964 and consisted of two crewed flights before the program was canceled by the Soyuz programme in 1966.Voskhod 1 launched on October 12, 1964 and was the first crewed spaceflight with a multi-crewed vehicle.Alexei Leonov performed the first spacewalk aboard Voskhod 2 on March 18, 1965.