Expert assessments agreed that the structure found 28 meters under the sea stemmed from a submarine, “possibly German,” naval engineers Juan Martin Canevaro and Andrés Miguel Cuidet said in a ...

The British tested the 3,000-ton X.1, which came armed with ... convoy and equal to that of most anti-submarine escorts. A German band welcomes a Type VIIC U-boat, the mainstay of the German ...