Italian Marcello-class submarines in Venice, 1939

A trio of brand new Italian Marcello-class submarines in Venice, 1939, complete with deck guns. They carried one 4″/47 forward of the sail, another aft, as well as fittings for two twin 13.2mm Breda (Hotchkiss) Model 1931 AAA machine guns. In the foreground on the right is an H-class submarine and in the background are some cruisers and Folgore-class destroyers.