Portrait of Cosmonauts Aleksey A. Leonov and Valeriy N. Kubasov
Description: These two cosmonauts have been selected as the Soviet first (prime) flight crew of the joint U.S.-USSR Apollo Soyuz Test Project (ASTP) mission. They are Aleksey A. Leonov (left), commander; and Valeriy N. Kubasov, engineer on board.
