Germany was denied submarines by the terms of the Treaty of Versailles and secret production was not legitimized until the Anglo-German Naval Agreement of 1935 under which the UK accepted German parity in submarine numbers with the Royal Navy.
Germany was denied submarines by the terms of the Treaty of Versailles. Secret production was not legitimized until the Anglo-German Naval Agreement of 1935 under which the UK accepted German parity in submarine numbers with the Royal Navy.