A monitor is a relatively small warship that is neither fast nor strongly armored but carries disproportionately large guns. They were used by some navies from the 1860s, during the First World War and with limited use in the Second World War.
HMS Warrior is a 40-gun steam-powered armoured frigate built for the Royal Navy in 1859–1861. She was the name ship of the Warrior-class ironclads. Warrior and her sister ship HMS Black Prince were the first armour-plated, iron-hulled warships, and were built in response to France's launching in 1859 of the first ocean-going ironclad warship, the wooden-hulled Gloire. Warrior conducted a publicity tour of Great Britain in 1863 and spent her active career with the Channel Squadron. Obsolescent following the 1873 commissioning of the mastless and more capable HMS Devastation, she was placed in reserve in 1875, and was "paid off" – decommissioned – in 1883.
The M29 class comprised five monitors of the Royal Navy, all built and launched during 1915.
Eight vessels of the British Royal Navy have been named HMS Minerva, after the goddess Minerva of Roman mythology.
The first HMS Shah was a 19th-century unarmoured iron hulled, wooden sheathed frigate of Britain's Royal Navy designed by Sir Edward Reed. She was originally to be named HMS Blonde but was renamed following the visit of the Shah of Persia in 1873.
HMS Minerva was an Eclipse-class protected cruiser built for the Royal Navy in the mid-1890s.
His Majesty's Naval Base, Portsmouth is one of three operating bases in the United Kingdom for the Royal Navy. Portsmouth Naval Base is part of the city of Portsmouth; it is located on the eastern shore of Portsmouth Harbour, north of the Solent and the Isle of Wight. For centuries it was officially known as HM Dockyard, Portsmouth: as a Royal Dockyard, Portsmouth functioned primarily as a state-owned facility for building, repairing and maintaining warships; for a time it was the largest industrial site in the world.
HMS Caroline is a decommissioned C-class light cruiser of the Royal Navy that saw combat service in the First World War and served as an administrative centre in the Second World War. Caroline was launched and commissioned in 1914. At the time of her decommissioning in 2011 she was the second-oldest ship in Royal Navy service, after HMS Victory. She served as a static headquarters and training ship for the Royal Naval Reserve, based in Alexandra Dock, Belfast, Northern Ireland, for the later stages of her career. She was converted into a museum ship. From October 2016 she underwent inspection and repairs to her hull at Harland and Wolff and opened to the public on 1 July 2017 at Alexandra Dock in the Titanic Quarter in Belfast.
HMS President is a retired Flower-class Q-ship that was launched in 1918. She was renamed HMS President in 1922 and moored permanently on the Thames as a Royal Navy Reserve drill ship. In 1982 she was sold to private owners and, having changed hands twice, served as a venue for conferences and functions as well as the offices for a number of media companies. She has been moved to Chatham on the Medway in Kent since 2016, but is due to return to the capital. She had the suffix "(1918)" added to her name in order to distinguish her from HMS President, the Royal Naval Reserve base in St Katharine Docks. She is one of the last three surviving Royal Navy warships of the First World War. She is also the sole representative of the first type of purpose built anti-submarine vessels, and is the ancestor of World War II convoy escort sloops, which evolved into modern anti-submarine frigates.
HMSUnicorn is a surviving sailing frigate of the successful Leda class, although the original design had been modified by the time that the Unicorn was built, to incorporate a circular stern and "small-timber" system of construction. Listed as part of the National Historic Fleet, Unicorn is now a museum ship in Dundee, Scotland, United Kingdom. She is the oldest ship in Scotland, one of the oldest ships in the world, and one of the last intact warships from the age of sail.
The National Museum of the Royal Navy, Portsmouth, formerly known as the Royal Naval Museum, is a museum of the history of the Royal Navy located in the Portsmouth Historic Dockyard section of HMNB Portsmouth, Portsmouth, Hampshire, England. The museum is part of the National Museum of the Royal Navy, a non-departmental public body sponsored by the Ministry of Defence. It received 1,081,909 visitors in 2017.
The Flower class comprised five sub-classes of sloops built under the Emergency War Programme for the Royal Navy during World War I, all of which were named after various flowers. They were popularly known as the "herbaceous borders", in humorous reference to a well-known adage about the Royal Navy, as well as to a type of garden arrangement popular in the United Kingdom.
The Aubrietia-class sloops were a class of twelve sloops built under the Emergency War Programme for the Royal Navy in World War I as part of the larger Flower class. They were also referred to as the "cabbage class", or "herbaceous borders". The Flowers were the first ships designed as minesweepers.
The National Museum of the Royal Navy was created in early 2009 to act as a single non-departmental public body for the museums of the Royal Navy. With venues across the United Kingdom, the museums detail the history of the Royal Navy operating on and under the sea, on land and in the air.
The M15 class comprised fourteen monitors of the Royal Navy, all built and launched during 1915.
HMS M27 was a First World War Royal Navy M15-class monitor. She was also served in the British intervention in Russia in 1919, and was scuttled in the Dvina River on 16 September 1919.
HMS M25 was a First World War Royal Navy M15-class monitor. She was also served in the British intervention in Russia in 1919, and was scuttled in the Dvina River on 16 September 1919.
HMS Peterel was a Rosario-class sloop of the Royal Navy.
HM LCT 7074 is the last surviving Landing Craft, Tank (LCT) in the UK. LCT 7074 is an amphibious assault ship for landing tanks, other vehicles and troops on beachheads. Built in 1944 by Hawthorn Leslie and Company, Hebburn, the Mark 3 LCT 7074 was part of the 17th LCT Flotilla during Operation Neptune in June 1944.
Portsmouth Historic Dockyard is an area of HM Naval Base Portsmouth which is open to the public; it contains several historic buildings and ships. It is managed by the National Museum of the Royal Navy as an umbrella organization representing five charities: the Portsmouth Naval Base Property Trust, the National Museum of the Royal Navy, Portsmouth, the Mary Rose Trust, the Warrior Preservation Trust Ltd and the HMS Victory Preservation Company. Portsmouth Historic Dockyard Ltd was created to promote and manage the tourism element of the Royal Navy Dockyard, with the relevant trusts maintaining and interpreting their own attractions. It also promotes other nearby navy-related tourist attractions.
United Kingdom 
