The Swedish Navy is the naval branch of the Swedish Armed Forces. It is composed of surface and submarine naval units – the Fleet – as well as marine units, the Amphibious Corps.
HMS Plymouth was a Royal Navy Rothesay-class frigate. In 1982, Plymouth was one of the first Royal Navy ships to arrive in the South Atlantic during the Falklands War.
HMS Aurora was a Leander-class frigate of the Royal Navy (RN). Like other ships of the class, Aurora was named after a figure of mythology, Aurora being the Roman equivalent of the Greek goddess Eos.
HMS Ariadne was a Leander-class frigate of the Royal Navy. She was launched in 1971, was sold to Chile in 1992 and sunk as a target hulk in 2004.
HMS Triumph (N18) was a T-class submarine of the Royal Navy. She was laid down by Vickers at Barrow-in-Furness and launched in 1938. The boat was lost in transit in 1942, with a crew of 64, and its fate was unknown until the sunken boat was rediscovered in June 2023.
HMS Yarmouth was the first modified Type 12 frigate of the Rothesay class to enter service with the Royal Navy.
HMS Endurance was a Royal Navy ice patrol vessel that served from 1967 to 1991. She came to public notice when she was involved in the Falklands War of 1982. The final surrender of the war, in the South Sandwich Islands, took place aboard Endurance.
The Belgian Navy, officially the Naval Component of the Belgian Armed Forces, is the naval service of Belgium.
Holland 1 is the first submarine commissioned by the Royal Navy. The first in a five-boat batch of the Holland-class submarine, she was lost in 1913 while under tow to be scrapped following her decommissioning. Recovered in 1982, she was put on display at the Royal Navy Submarine Museum, Gosport. Her battery bank found in the boat was discovered to be functional after being cleaned and recharged.
The Type 15 frigate was a class of British anti-submarine frigates of the Royal Navy. They were conversions based on the hulls of World War II-era destroyers built to the standard War Emergency Programme "utility" design.
HMS Hursley was a Second World War Type II Hunt-class escort destroyer of the British Royal Navy. She is the only Royal Navy ship to have carried this name. Hursley is a village in Hampshire. Commissioned in 1942, she served in the Mediterranean, before being transferred to the Hellenic Navy in November 1943 and renamed Kriti. She took part in the landings in Sicily, Anzio, and southern France, and remained in Greek service until 1959.
HMS Wakeful was a W-class destroyer of the Royal Navy launched in 1943. She saw service during the Second World War and was later converted into a Type 15 fast anti-submarine frigate. She was sold for scrap in 1971.
HMS Rorqual (N74) was a British mine-laying submarine, one of the six ships of the Grampus class of the Royal Navy. She was built by Vickers Armstrong, Barrow and launched 27 July 1936. She served in the Second World War in the Mediterranean and in the far east. She was the only Grampus-class submarine to survive the war, and she is considered the most successful minelaying submarine of World War II, sinking 57,704 GRT of enemy shipping, 35,951 of which through her mines.
HMS Tantalus was a British submarine of the third group of the T class. She was built as P318 by Vickers Armstrong, Barrow, and launched on 24 February 1943. So far she has been the only ship of the Royal Navy to bear the name Tantalus, after the mythological Tantalus, son of Zeus.
HMS Taurus was a Second World War T-class submarine, built by Vickers Armstrong, Barrow.
HMS Ultor (P53) was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness, launched in 1942, and part of the third group of the class. So far she has been the only ship of the Royal Navy to bear the name Ultor.
HMS Unruffled was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness. So far she has been the only ship of the Royal Navy to bear the name Unruffled.
Three ships of the Royal Navy have borne the name HMS Wakeful. Another was planned but renamed before being launched:
HMS Medway is a Batch 2 River-class offshore patrol vessel for the Royal Navy. Named after the River Medway in Kent, she was the second Batch 2 River-class vessel to be commissioned and is assigned long-term as Royal Navy guardship in the Caribbean.
Sweden
United Kingdom 
United Kingdom
Greece