Official NASA website - USSR NASA cooperation
The bumpy U.S.-U.S.S.R. relationship in the years between 1957 and 1991 often was characterized by periods of mistrust and overt hostility (e.g., the U-2 incident, Cuban Missile Crisis, Vietnam War, Soviet invasion of Afghanistan and President Ronald Reagan’s depiction of the Soviet Union as an “evil empire”). Periods of détente, in contrast, led to the Limited Test-Ban Treaty in 1963, the Strategic Arms Limitation Treaty in 1972, and an emerging U.S.-Soviet rapprochement during 1985-1991.
Throughout this political roller-coaster period of history, both countries increased areas of coop-eration, including space, as a symbol of warmer relations while cutting cooperation off when ties worsened.
Chris Knowles, on the latest episode, spoke of this as if it was a secret only he knew...
Sometimes the 'truth' is a google search away. #skynet
