The Listeners: U-boat Hunters During the Great War Museum Collectibles decided to strike against the

decided to strike against the British ring of steel

a National Football League Head coach

In the bloodiest battle the country had ever seen

published in 1993

The Listeners: U-boat Hunters During the Great War Museum Collectibles decided to strike against theDescription by Roy R. Manstan Hardcover An untold story of scientists and engineers who changed the course of World War I. Roy R. Manstan's new book documents the rise of German submarines in World War I and the Allies' successful response of tracking them with innovative listening devicesprecursors to modern sonar. The Listeners: U boat Hunters During the Great War details the struggle to find a solution to the unanticipated efficiency of the German