The Kirov class, Soviet designation Project 1144 Orlan, is a class of nuclear-powered guided missile cruisers of the Soviet Navy and Russian Navy, the largest and heaviest surface combatant warships in operation in the world. Among modern warships, they are second in size only to large aircraft carriers, and of similar size to a World War I-era battleship. The Soviet classification of the ship-type is "heavy nuclear-powered guided missile cruiser". The ships are often referred to as battlecruisers by Western defence commentators due to their size and general appearance.
MS Estonia was a cruiseferry built in 1980 at the West German shipyard Meyer Werft in Papenburg. In 1993, she was sold to Nordström & Thulin for use on Estline's Tallinn–Stockholm route. The ship's sinking on 28 September 1994, in the Baltic Sea between Sweden, Finland and Estonia, was one of the worst maritime disasters of the 20th century, claiming 852 lives.
HMSGannet is a Royal Navy Doterel-class screw sloop-of-war launched on 31 August 1878. She became a training ship in the Thames in 1903, and was then loaned as a training ship for boys in the Hamble from 1913. She was restored in 1987 and is now part of the UK's National Historic Fleet.
USS Skywatcher (YAGR/AGR-3) was a Guardian-class radar picket ship, converted from a Liberty Ship, acquired by the US Navy in 1954. She was converted into a radar picket ship and assigned to radar picket duty in the North Atlantic Ocean as part of the Distant Early Warning Line.
USS Searcher (YAGR/AGR-4) was a Guardian-class radar picket ship, converted from a Liberty Ship, acquired by the US Navy in 1954. She was obtained from the National Defense Reserve Fleet and reconfigured as a radar picket ship and assigned to radar picket duty in the North Atlantic Ocean as part of the Distant Early Warning Line.
USS Scanner (AGR/YAGR-5) was a Guardian-class radar picket ship, converted from a Liberty Ship, acquired by the US Navy in 1955. She was obtained from the National Defense Reserve Fleet and reconfigured as a radar picket ship and assigned to radar picket duty in the North Pacific Ocean as part of the Distant Early Warning Line.
USS Interceptor (AGR-8/YAGR-8) was a Guardian-class radar picket ship acquired by the US Navy in 1955, from the "mothballed" reserve fleet. She was reconfigured as a radar picket ship and assigned to radar picket duty in the North Pacific Ocean as part of the Distant Early Warning Line.
USS Investigator (AGR/YAGR-9) was a Guardian-class radar picket ship, converted from a Liberty Ship, acquired by the US Navy in 1954. She was reconfigured as a radar picket ship and assigned to radar picket duty in the North Atlantic Ocean as part of the Distant Early Warning Line.
USS Vigil (AGR/YAGR-12) was a Guardian-class radar picket ship, converted from a Liberty Ship, acquired by the US Navy in 1956. She was reconfigured as a radar picket ship and assigned to radar picket duty in the North Atlantic Ocean as part of the Distant Early Warning Line.
USS Interdictor (AGR/YAGR-13) was a Guardian-class radar picket ship, converted from a Liberty Ship, acquired by the US Navy in 1954. She was reconfigured as a radar picket ship and assigned to radar picket duty in the North Pacific Ocean as part of the Distant Early Warning Line.
USS Tracer (AGR-15) was a Guardian-class radar picket ship, converted from a Liberty Ship, acquired by the US Navy in 1957. She was reconfigured as a radar picket ship and assigned to radar picket duty in the North Pacific Ocean as part of the Distant Early Warning Line.
USS Watchman (AGR-16) was a Guardian-class radar picket ship, converted from a Liberty Ship, acquired by the US Navy in 1958. She was reconfigured as a radar picket ship and assigned to radar picket duty in the North Pacific Ocean as part of the Distant Early Warning Line.
The Sail and Steam Navy List: All the Ships of the Royal Navy 1815–1889 by Rif Winfield and David Lyon is a historical reference work providing details of all recorded ships in commission or intended to serve in the Royal Navy from 1815 to 1889. Where available in Admiralty records, it gives the location of construction, dates of construction, principal dimensions and tonnage, armament, machinery and fate of every ship of the Royal Navy over the period.
HMS LST-407 was a United States Navy LST-1-class tank landing ship that was transferred to the Royal Navy during World War II. As with many of her class, the ship was never named. Instead, she was referred to by her hull designation.
HMS LST-411 was a United States Navy LST-1-class tank landing ship that was transferred to the Royal Navy during World War II. As with many of her class, the ship was never named. Instead, she was referred to by her hull designation.
HMS LST-414 was a United States Navy LST-1-class tank landing ship that was transferred to the Royal Navy during World War II. As with many of her class, the ship was never named. Instead, she was referred to by her hull designation.
HMS LST-429 was a United States Navy LST-1-class tank landing ship that was transferred to the Royal Navy during World War II. As with many of her class, the ship was never named. Instead, she was referred to by her hull designation.
Japan Maritime Self-Defense Force 
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Royal Danish Navy 
Royal Navy