The Italian Navy is one of the four branches of Italian Armed Forces and was formed in 1946 from what remained of the Regia Marina after World War II. As of August 2014, the Italian Navy had a strength of 30,923 active personnel, with approximately 184 vessels in service, including minor auxiliary vessels. It is considered a multiregional and a blue-water navy.
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.
COMSUBIN is the Italian Navy's special operations unit. Italy was the first nation to use frogmen and human torpedoes. The Royal Italian Navy's Naval Assault Divisions are considered to be the precursor of modern Naval Special Forces. Their record can be traced back to World War I and the operation against the Austrian-Hungarian Battleship Viribus Unitis in Pula Harbour in 1918.
The United Arab Emirates Navy (UAEN) is the naval branch of the United Arab Emirates Armed Forces. It is small force of about 3,000 personnel. It maintains 12 well-equipped coastal patrol boats and eight missile boats. Although primarily concerned with coastal defense, the Navy is constructing a six-unit class of blue water corvettes in conjunction with French shipbuilder CMN. The UAE maintains a battalion-sized marine force called the UAE Marines equipped with BMP-3 armoured personnel carriers from Soviet union/Russia.
The Adriatic campaign of World War II was a minor naval campaign fought during World War II between the Greek, Yugoslavian and Italian navies, the Kriegsmarine, and the Mediterranean squadrons of the United Kingdom, France, and the Yugoslav Partisan naval forces. Considered a somewhat insignificant part of the naval warfare in World War II, it nonetheless saw interesting developments, given the specificity of the Dalmatian coastline.
The Gabbiano-class corvettes were a group of 59 vessels built for the Regia Marina of Italy for service during the Second World War. They were built to a war-time design and intended for anti-submarine and escort duties.
Caio Duilio is a destroyer of the Italian Navy. She and her sister Italian destroyer Andrea Doria form the Andrea Doria class; in turn these two ships, and the French vessels Forbin and Chevalier Paul, belong to the Horizon class. Caio Duilio is marked by hull number D 554 according to NATO classification.
The "San Marco" Marine Brigade is an amphibious formation of the Italian Navy, has been brigade since 2013 but the amphibious corps existed since 1915, reorganizing the Navy Landing Force. It has its command in Brindisi. They are the marines of the Italian Navy.
The Italian Naval Aviation is the naval air component of the Italian Navy composed of around 2000 men and women and 69 aircraft and helicopters.
The Thaon di Revel class is a class of multipurpose offshore ships built by Fincantieri for the Italian Navy.
It is planned to replace four Soldati-class light patrol frigates and eight Minerva-class corvettes between 2021/2035. As part of the 2014 Naval Law, a total of sixteen ships were planned and as of 2019 seven vessels have been financed with three more on option, not executed. European Patrol Corvette (a class of lighter ships built into an UE cooperation should complete the Italian Navy needs.
Alliance (A5345) is a research vessel owned by NATO and operated by the Marina Militare as a NATO research vessel and owned by the CMRE – Centre for Maritime Research and Experimentation, in La Spezia, Italy. Alliance has the status of an auxiliary ship of the Marina Militare.
The Gorgona class is a series of six Coastal Transport ships of the Italian Navy, named as Moto Trasporto Costiero, MTC.
The Comandanti class of patrol vessels consists of four units operated by the Italian Navy, named as Nuove Unità Minori Combattenti (NUMC)
The Rossetti class of coastal research vessels consists of two units operated by the Italian Navy and named as "Nave Esperienze". The vessels are used by Centro Supporto Sperimentazioni Navali for technologies research and development trials on anti-submarine weapons.
Leonardo is a coastal research vessel owned by NATO and operated by the Italian Navy on behalf of the Centre for Maritime Research and Experimentation Her homeport is La Spezia, Italy.
Stella Polare is a yawl, active as a sails training vessel for the Italian Navy.
The MTM217 class is a landing craft mechanized class used by the Italian Navy.
The Cabrini class is a new high-speed multipurpose patrol boat class of the Italian Navy, also known as Unità Navale Polifunzionale ad Alta Velocità (UNPAV) or K-180.
The following is the structure of the Italian Navy as of June 2020. It is considered a multiregional and a blue-water navy.
Italian Navy 
