This section is becoming richer and more important as time goes by.
On display there are the glorious remains of the submarine "Sciré", the uniforms of the Navy's "Attack Formations", the famous "gamma" uniforms, the "Belloni" suit, diving-masks, flippers, clamps for the application of explosive cases under the keels of the enemy ships, etc.
Of great interest are the temperas and water-colours portraying the vessels of the Sardinian Navy, the military models of Léon Perret, the old crew's mess-tins, the hammocks, the ribbons of the Royal Navy ships and those of the modern Units of the Navy.
Each element has been displayed according to its own specific weight and size and to classifying and chronological criteria.