The U.S.S.R collapsed on December 8, 1991
USSR in Construction ended in 1941.
Honoured Pilot of the USSR ended in 1988.
It signaled the end of the USSR
Prague Spring contributed to the end of the USSR by the invasion of Czechoslovakia. The Prague Spring started in the year of 1968 and ended in the years of 1993.
Hitler invaded the USSR in 1941.
USSR in Construction ended in 1941.
Honoured Pilot of the USSR ended in 1988.
Honoured Inventor of the USSR ended in 1991.
Honoured Navigator of the USSR ended in 1988.
US had the bomb. The USSR distrusted the US starting from the end of the Bolsevik revolution.
Honoured Military Pilot of the USSR ended in 1988.
Honoured Test Navigator of the USSR ended in 1991.
Honoured Test Pilot of the USSR ended in 1991.
Hero of Socialist Labour - USSR - ended in 1991.
Honoured Military Navigator of the USSR ended in 1988.
the collapse of the USSR.
It signaled the end of the USSR