sentences:  The Italian leader Benito Mussolini did not authorize any large naval rearmament until 1933.Once he did, two old battleships of the were sent to be modernized in the same year, and and were laid down in 1934.In May 1935, the Italian Naval Ministry began preparing for a five-year naval building program that would include four battleships, three aircraft carriers, four cruisers, fifty-four submarines, and forty smaller ships.