The MAS 500 was an Italian motor torpedo boat class used by the Regia Marina during WW2. MAS is the abbreviation for Motoscafo armato silurante, “torpedo-armed motorboat” in English.

The Albatross-class consisted of 10 ships built by Italy to give to some NATO nations using American funds to increase the defence capabilities of these nations under the Mutual Defence Assistance Program, eventually, the albatross class corvettes were built, all equipped at the beginning with two 76mm SMP3 placed both front and rear, a twin 40mm Breda-Bofors tower at the rear in the centre of the ship and a hedgehog launcher to attack submarines, later the various nations would change the existing armament to something else.

Launched on 24 February 1942, launched on 24 April 1913 and completed and entered service on 10 May 1915, the ship only participated in exercises, later to be rebuilt at the Ansaldo Shipyard in Genoa from 1937 until her return to service on 15 July 1940.

The Condottieri-class cruiser Eugenio di Savoia was the second vessel in the fourth sub-class of its class. It featured improved armour and machinery compared to her predecessor, the Raimondo Montecuccoli. The ship was named after Prince Eugene of Savoy, whose motto "Ubi Sabaudia ibi Victoria" ("Where there is (Eugene of) Savoy, there is Victory") was inscribed on the sides of turret number 4.

The CRDA 60t is a big family of italian motor torpedo boats, anti-submarine boats and patrol boats designed by CRDA (Cantierei Riuniti dell'Adriatico), these boats were used by the Regia Marina during WW2 and by Italian Navy after the war.

The Fletcher-class was a class of 175 destroyers built by the United States during World War II.

Laid down on 18 August 1943 as PT-388 by the Robert Jacob Consolidated Shipyard, City Island, NY, launched on 17 December 1943, completed on 13 June 1944 and then transferred to the British Navy and renamed HMS MTB-400 it was used for reconnaissance, patrol and escort missions.

MS 15 launched on 2 February 1942, finalised on 2 June 1942, entered service after construction in the Regia Marina's 1st Squadron, and arrived at operational bases in North Africa in July 1942; the following month it carried out, with MS 11, a mission to transport saboteurs of the San Marco Regiment in enemy waters, participated in anti-ship ambush operations, escorting coastal convoys and anti-submarine surveillance.

On 22 October 1942, MS-53 was launched at the Cantieri Riuniti dell'Adriatico in Monfalcone, entered service on 9 March 1943 and was assigned to the 5th Torpedo Boat Squadron (Va Squadriglia Motosiluranti).

Launched on June 18, 1942, CRDA at Monfacone, built and commissioned on June 24, 1942, was assigned to the 2°Squadriglia, transferred to bases in the Sicilian Channel in late July 1942, in the same month specifically on the 12th and 13th participated in operations against the British convoy bound for Malta during the Battle of Mid-August, on the night of August 13, 1943,