HMS Portland is a Type 23 frigate of the British Royal Navy. She is the eighth ship to bear the name and is the fifteenth and penultimate ship of the 'Duke' class of frigates, and is named for the currently extinct title of the Dukedom of Portland, and more particularly for the third Duke, who was Prime Minister.
Portland Harbour is located beside the Isle of Portland, Dorset, on the south coast of England. Construction of the harbour began in 1849; when completed in 1872, its 520-hectare (1,300-acre) surface area made it the largest human-made harbour in the world, and it remains one of the largest in the world today. It is naturally sheltered by Portland to the south, Chesil Beach to the west and mainland Dorset to the north. It consists of four breakwaters: two southern and two northern. These have a total length of 4.57 km (2.84 mi) and enclose approximately 1,000 ha of water.
HMS Sidon was a submarine of the Royal Navy, launched in September 1944, one of the third group of S class built by Cammell Laird & Co Limited, Birkenhead, named after the naval bombardment of Sidon in 1840. An explosion caused by a faulty torpedo sank her in Portland Harbour with the loss of 13 lives.
In the Royal Navy and other navies of Europe and the Commonwealth of Nations, ships are identified by pennant number. Historically, naval ships flew a flag that identified a flotilla or type of vessel. For example, the Royal Navy used a red burgee for torpedo boats and a pennant with an H for torpedo boat destroyers. Adding a number to the type-identifying flag uniquely identified each ship.
RNAS Portland was an air station of the Royal Navy, situated at the Isle of Portland, Dorset, England. It was established in 1917 on the western edge of Portland Harbour as HMS Sarepta. From 1959 the station shared the name HMS Osprey, the anti-submarine establishment based at Portland, with helicopters used for research and development in anti-submarine techniques. RNAS Portland remained operational until 1999.
The Admiralty Mining Establishment originally known as the Mine Design Department was a technical department of the British Royal Navy responsible for both the design of naval mines and the development of suitable countermeasures from 1915 to 1951
The R-class submarines were a class of 12 small British diesel-electric submarines built for the Royal Navy during World War I, and were forerunners of the modern attack submarine, in that they were designed specifically to attack and sink enemy submarines, their battery capacity and hull shape being optimized for underwater performance.
702 Naval Air Squadron was a naval squadron of the Royal Navy's Fleet Air Arm. It was based at RNAS Yeovilton in Somerset and earlier at RNAS Portland in Dorset. As a training Squadron it trained all ground and air crew for the sister front-line maritime Lynx squadron, 815 NAS
815 Naval Air Squadron is a Royal Navy Fleet Air Arm squadron flying the AgustaWestland Wildcat HMA.2 helicopter and is the Navy's front line Wildcat Naval Air Squadron. The squadron is based at RNAS Yeovilton in Somerset. The squadron is capable of carrying out multiple roles such as: counter-narcotics, anti-piracy, Above Surface Warfare (ASW), search and rescue, disaster relief and flying and engineering training. In the early 2000s, the Navy said that the squadron was largest helicopter squadron in Europe.
HMS Portland was a 50-gun fourth rate ship of the line of the Royal Navy, launched at Woolwich Dockyard on 28 March 1693.
829 Naval Air Squadron was a squadron of the Royal Navy Fleet Air Arm. Before it was decommissioned in March 2018, it operated the AgustaWestland Merlin HM2 helicopter.
HMS Blackwood was a Captain-class frigate of the Evarts-class of destroyer escort, originally commissioned to be built for the U.S. Navy. Before she was finished in 1942, she was transferred to the Royal Navy under the terms of Lend-Lease, and saw service during the Second World War.
HMS Portland was a 50-gun fourth rate ship of the line of the Royal Navy, built at Limehouse according to the dimensions laid down in the 1741 proposals of the 1719 Establishment, and launched on 11 October 1744.
The Naval Air Command Sub Aqua Club (NACSAC) was an organization within the Royal Navy that oversaw sports and technical diving training activities for naval aviation and fleet units. Today, it has branches at RNAS Culdrose (HMS Seahawk) and RNAS Yeovilton (HMS Heron). Both bases provide training, and club members regularly dive into their local areas on weekends. Diving instruction, from beginner to advanced level, is offered under the auspices of the British Sub-Aqua Club. In 2005, NACSAC was closed down as an organization in favour of a Royal Navy Sub Aqua Club, which is what Lieutenant. Graham and CPO Larn had wanted from the outset of NACSAC, which was only given that title since HMS Vernon, the RN Diving School at Portsmouth, would not support the idea of sport diving within the service.
737 Naval Air Squadron was a Naval Air Squadron of the Royal Navy's Fleet Air Arm. It was initially active during 1943 as an amphibious Bomber Reconnaissance Training Squadron. Reactivated in 1944 it operated as an ASV Training Unit until 1945. It was active again between 1949 and 1957. From 1959 it was the Anti-Submarine Warfare school at RNAS Portland. It operated Westland Wessex HAS.3 rescue helicopters from their land base at RNAS Portland, Dorset.
HMS Elfin was a torpedo recovery vessel built for the Royal Navy. She was built by J. Samuel White & Company, East Cowes, Isle of Wight, was launched on 20 November 1933 and commissioned on 16 January 1934. She was builder's number 1754. Her home port was the Navy's torpedo trials establishment HMS Vernon, and she was based at Portland. A sistership, Redwing, was constructed under builder's number 1753 and was stationed at HMS Defiance, Devonport. Elfin was renamed Nettle during the Second World War, and was later sold for scrapping. She survived in mercantile service, and has been preserved.
Royal Naval Cemetery is a cemetery on the Isle of Portland, Dorset, England. The site overlooks Portland Harbour, and is found below the main entrance to the Verne Citadel. As the name suggests, the graveyard holds deceased servicemen and officers of Portland's Royal Navy which was stationed at the island until 1995. The cemetery holds 140 identified casualties in total to date, and is owned by the Ministry of Defence. There are other cemeteries designated the "Royal Naval Cemetery" at various other locations associated with the Royal Navy, such as the Royal Naval Cemetery on the island of Ireland, location of the Royal Naval Dockyard in the Imperial fortress British Overseas Territory of Bermuda.
HMS Osprey was an anti-submarine training establishment located at the Isle of Portland, Dorset, England. It was active between 1924 and 1941, and again from 1946 to 1999. The helicopter station RNAS Portland formed part of the establishment from 1959 to 1999.
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