U-BOATS VS DESTROYER ESCORTS

Winston Churcill claimed the «U-boat peril» was the only thing that frightened him during World War II. The U-boat was developed from a small coastal vessel into a state-of-the-art killer, stalking the high seas picking off merchant convoys, until the introduction of the destroyer escort and the development of dedicated anti
submarine tactic provided a means of defence and attack against the U-boats.