Ships disappear on route across the Arctic Sea, and a special submarine is sent to investigate.
1959-11-29
2007-12-25
1982-06-25
2006-07-27
1971-05-20
1997-05-09
2014-12-05
1990-03-02
1955-04-24
2004-12-22
2015-10-23
1964-04-29
1998-10-23
1986-08-15
1998-01-30
1995-07-07
2008-08-20
2008-12-10
1999-07-14
1955-12-14
1996-02-23
