Ships disappear on route across the Arctic Sea, and a special submarine is sent to investigate.
11/29/1959
7/3/2002
6/1/1973
8/13/1974
2/8/1985
10/26/2004
10/15/1989
2/24/1991
10/27/2016
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5/10/1978
12/13/2016
1/12/1940
8/7/1942
12/13/1983
3/9/1990
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2/1/2005
1/1/1964
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5/21/1954