Few naval vessels have developed as enduring of a legacy as German U-Boats, but what does that name actually mean?

Eighty years after a torpedo ripped through the hull of the USS Eagle PE-56, just 5 miles off the coast of Cape Elizabeth’s ...

If the crew spotted a U-boat, they were to report their position on the ship-to-shore radio so that Navy boats or planes could take decisive action. Because the sailboats were slower than ...