Charting the Siberian continental shelf during the height of the Cold War Unknown Waters tells the story of the brave officers and men of the nuclear attack submarine USS Queenfish (SSN-651), who made the first survey of an extremely important and remote region of the Arctic Ocean. The unpredictability of deep-draft sea ice, shallow water, and possible Soviet discovery, all played a dramatic part in this fascinating 1970 voyage.Covering 3, 100 miles over a period of some 20 days at a laborious average speed of 6.5 knots or less, the attack submarine carefully threaded its way through innumerable underwater canyons of ice and over irregular seafloors, at one point becoming entrapped in an ice garage. Only cool thinking and skillful maneuvering of the nearly 5, 000-ton vessel enabled a successful exit.
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