Tsyklon launches in 1971
February 1971
25 Feb
Kosmos 397
Tsyklon
April 1971
1 Apr
Kosmos 402
Tsyklon4 Apr
Kosmos 404
Tsyklon
August 1971
8 Aug
Kosmos 433
Tsyklon
December 1971
3 Dec
Kosmos 462
Tsyklon25 Dec
Kosmos 469
Tsyklon
25 Feb
1 Apr
4 Apr
8 Aug
3 Dec
25 Dec