Description

During World War I German Uboats operated solo except on one occasion Initially the British and nations supplying England with food and materiel scattered vessels singly across the ocean making them vulnerable to the lone submarines However widespread late war readoption of the convoy system tipped the odds in the surface ships favor as one Uboat skipper described The oceans at once became bare and empty for long periods at a time the Uboats operating individually would see nothing at all and then suddenly up would loom a huge concourse of ships thirty or fifty or more of them surrounded by a strong escort of warships of all types