Ships disappear on route across the Arctic Sea, and a special submarine is sent to investigate.
1959-11-29
2001-06-29
1986-07-18
1977-07-07
1981-06-24
2005-06-28
1996-12-13
1987-06-12
1979-12-07
1982-06-04
1984-06-01
2001-10-26
1986-11-26
1990-11-21
1989-06-09
1954-12-23
1991-12-06
1994-11-18
1996-11-22
1998-12-11
2002-12-13
