 The two periscopes and the deck gun are visible, however the conning tower was truncated from the rear, where a second 20mm gun was replaced by a 13.2 double machine gun of French origins.During her career "Casabianca" sank one warship with a torpedo and another with her deck gun, sank a merchant vessel, carried out seven secret missions, assisted in the liberation of Corsica, and ran the German blockade of Toulon during her defection to the allies.Cited 7 times out of which 6 at the orders of the navy , "Casabianca" was decorated with the Croix de guerre 1939–1945 and was awarded the Red "Fourragere" of the Légion d'honneur.