1963 ‘Surface at the Pole’ by Commander James Calvert, USN, ‘The Adventures Club’ Hardback Book

1963 ‘Surface at the Pole’ by Commander James Calvert, USN, printed by The Adventures Club, London, in 1963, first published in 1961 written by Commander James Calvert, ‘The American Navy needed to know if a submarine could operate in the Arctic Ocean, covered the year round by a heavy cap of shifting ice, could a submarine safely navigate beneath its floes or possibly locate openings in the ice cover and surface? If there was a chance that one of their nuclear subs could break through the ice without suffering damage to its thin-skinned hull, then the Arctic Ocean, of supreme strategic importance in the modern world, could be used by their Navy’, excellent condition for age, does have a slight tear at the bottom of the dust jacket at the back, and writing inside the front cover, see photos, 211 pages