Cosmonaut Aleksey Leonov briefed on Apollo Communications test system console

S74-20807 (23 April 1974) --- Cosmonaut Aleksey A. Leonov (foreground) is briefed on the Apollo communications test system console in the Building 440 laboratory during the joint U.S.-USSR Apollo-Soyuz Test Project training activity at the Johnson Space Center. Leonov is the commander of the Soviet ASTP crew. Leonov is being briefed by astronaut Thomas P. Stafford, commander of the American ASTP crew.