The Royal Navy's T class of diesel-electric submarines was designed in the 1930s to replace the O, P, and R classes. Fifty-three members of the class were built just before and during the Second World War, where they played a major role in the Royal Navy's submarine operations. Four boats in service with the Royal Netherlands Navy were known as the Zwaardvisch class.
The Regia Marina (RM) or Royal Italian Navy was the navy of the Kingdom of Italy from 1861 to 1946. In 1946, with the birth of the Italian Republic, the Regia Marina changed its name to Marina Militare.
The Nazario Sauro class are diesel-electric submarines operated by the Italian Navy. All boats were built by Fincantieri in Monfalcone.
The Natsushio-class submarines were a pair of submarines constructed and operated by the Japan Maritime Self-Defense Force during the Cold War. They were a development of the Hayashio-class submarines and are sometimes considered the same class. They were small and limited in capability but were thought to be a successful class. They entered service in 1963–1964 and were deleted in 1978.
Enrico Toti was one of four Balilla-class submarines built for the Regia Marina during the late 1920s. The boat played a minor role in the Spanish Civil War of 1936–1939 supporting the Spanish Nationalists. She was the only Italian submarine to have sunk a Royal Navy submarine during the Second World War.
Enrico Toti was an Italian cyclist, patriot and hero of World War I.
The Rainbow-class submarine or R class was a quartet of patrol submarines built for the Royal Navy in the early 1930s.
A merchant submarine is a type of submarine intended for trade, and being without armaments, it is not considered a warship like most other types of submarines. The intended use would be blockade running, or to dive under Arctic ice.
HMS Triad was a T-class submarine of the Royal Navy. She was laid down by Vickers Armstrong, Barrow and launched in May 1939.
Museo Nazionale Scienza e Tecnologia Leonardo da Vinci in Milan, dedicated to painter and scientist Leonardo da Vinci, is the largest science and technology museum in Italy. It was opened on 5 February 1953 and inaugurated by Prime Minister Alcide De Gasperi.
The Balilla class were the first submarines to be built for the Italian navy following the end of World War I. They were large ocean-going cruiser submarines designed to operate in the Indian Ocean based in Italy's East African colonies. The design was double-hulled and based on the German Type UE 2 U-boats, one of which, U-120 was supplied to the Italians as a war reparation. A 425 horsepower (317 kW) auxiliary diesel engine was installed as an extra generator.
The Pinacoteca Nazionale is a national museum in Siena, Tuscany, Italy. Inaugurated in 1932, it houses especially late medieval and Renaissance paintings from Italian artists. It is housed in the Brigidi and Buonsignori palaces in the city's center: the former, built in the 14th century, it is traditionally identified as the Pannocchieschi family's residence. The Palazzo Bichi-Buonsignori, although built in the 15th century, has a 19th-century neo-medieval façade based on the city's Palazzo Pubblico.
HMS Rainbow was a Rainbow-class submarine built for the Royal Navy during the 1930s.
Italian submarine Enrico Toti was the first of a new class of Italian submarine, with Enrico Toti being laid down in 1965, launched in 1967, decommissioned in 1992 and preserved as a museum ship at thea Museo della Scienza e della Tecnologia "Leonardo da Vinci", in Milan. The ship, and class, are named after the Italian war hero Enrico Toti.
The Type 035 submarine is a class of diesel-electric submarines of the People's Liberation Army Navy. The Type 035 is a heavily improved redesign of the older Type 033 submarines, which were built in China from 1962 to 1984.
Enrico Toti this name has been borne by at least two ships of the Italian Navy and may refer to:
Enrico Dandolo or simply Dandolo was the name of at least three ships of the Italian Navy named in honour of Enrico Dandolo and may refer to:
Enrico Tazzoli was one of three Calvi-class submarines built for the Regia Marina during the 1930s. Completed in 1936, she played a minor role in the Spanish Civil War of 1936–1939 supporting the Spanish Nationalists. She operated in the Atlantic during the Second World War and was second only to the submarine Leonardo da Vinci as the highest scoring Italian submarine of the conflict. Enrico Tazzoli was converted in 1943 to be a submarine transport for blockade-running between Europe and the Far East. She was lost on her first voyage in this role.
Nazario Sauro was the lead boat of the Sauro-class submarines of the Italian Navy.
Italian Navy 
