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Sonar is a technique that uses sound propagation to navigate, measure distances (ranging), communicate with or detect objects on or under the surface of the water, such as other vessels.
The Vanguard class is a class of nuclear-powered ballistic missile submarines (SSBNs) in service with the Royal Navy. The class was introduced in 1994 as part of the Trident nuclear programme, and comprises four vessels: Vanguard, Victorious, Vigilant and Vengeance, built between 1986 and 1999 at Barrow-in-Furness by Vickers Shipbuilding and Engineering, now owned by BAE Systems. All four boats are based at HM Naval Base Clyde , 40 km (25 mi) west of Glasgow, Scotland.
The Type 23 frigate or Duke class is a class of frigates built for the United Kingdom's Royal Navy. The ships are named after British Dukes, thus leading to the class being commonly known as the Duke class. The first Type 23, HMS Norfolk, was commissioned in 1989, and the sixteenth, HMS St Albans was commissioned in June 2002. They form the core of the Royal Navy's destroyer and frigate fleet and serve alongside the Type 45 destroyers. They were designed for anti-submarine warfare, but have been used for a range of uses. Eight Type 23 frigates remain in service with the Royal Navy, with three vessels having been sold to the Chilean Navy and five being retired since 2021.
The Upholder/Victoria-class submarines, also known as the Type 2400, are a class of diesel-electric submarines built in the United Kingdom in the 1980s to supplement the nuclear submarines in the Submarine Service of the British Royal Navy.
HMS Lancaster is a Duke-class Type 23 frigate of the Royal Navy, launched by Queen Elizabeth II on 24 May 1990. The ship is known as "The Queen's Frigate", the Duke of Lancaster being a subsidiary title of the Sovereign. Being the third ship in the Type 23 class, Lancaster was originally allocated the pennant number F232 until it was noted that the 232 is the Royal Navy report form for groundings and collisions and therefore considered unlucky. She is one of the few ships left in the fleet with some female officers but mess decks which are men-only.
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HMS Dido was a Royal Navy (RN) Leander-class frigate. Entering service in 1961, Dido was involved in the Indonesia–Malaysia confrontation, served with NATO's Standing Naval Force Atlantic on several occasions, and was one of the frigates used for the filming of the drama series Warship.
HMS Cleopatra (F28) was a Leander-class frigate of the Royal Navy (RN). Cleopatra was built at HMNB Devonport. She was launched on 21 March 1964, commissioned on 1 March 1966 and decommissioned on 31 January 1992.
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A towed array sonar is a system of hydrophones towed behind a submarine or a surface ship on a cable. Trailing the hydrophones behind the vessel, on a cable that can be kilometers long, keeps the array's sensors away from the ship's own noise sources, greatly improving its signal-to-noise ratio, and hence the effectiveness of detecting and tracking faint contacts, such as quiet, low noise-emitting submarine threats, or seismic signals.
Sonar 2076 is a submarine sonar detection system designed by Thales for the Royal Navy.
The Type 31 frigate, also known as the Inspiration class, and formerly known as the Type 31e frigate or General Purpose Frigate (GPF), is a class of five frigates being built for the United Kingdom's Royal Navy, with variants also being built for the Indonesian and Polish navies. The Type 31 is intended to enter service in the 2020s alongside the eight submarine-hunting Type 26 frigate and will replace the five general-purpose Type 23 frigates. The Type 31 is part of the British government's "National Shipbuilding Strategy".
Taurus 09 was a Royal Navy deployment in 2009. It was the largest for more than ten years, involving a maximum strength of 3,300 Royal Navy personnel working from seven Royal Navy vessels and four Royal Fleet Auxiliary vessels. One ship each from the US and French navies also accompanied the deployment.
The CAPTAS-4 is a towed array sonar developed by Thales Underwater Systems to equip first-rank surface combatants. Manufactured in Brest, France, it represents the high-end and most powerful system of the company's CAPTAS line of products and equips several first-rank warships of the French Navy as well as those of various export customers. A British variant, known as Sonar 2087, equips anti-submarine warfare frigates of the Royal Navy.
References
- ↑ "CAPTAS Family". Thales Group. Retrieved 14 April 2023.
- ↑ Sweetman, Bill (15 October 2012). "Low Risk, Flexibility Drive Type 26 Design". Aviation Week & Space Technology. Archived from the original on 13 October 2013. Retrieved 24 October 2021.
- ↑ HMS Sutherlands sonar impresses on first major test, thalesgroup.com, 2010 [ dead link ]
- ↑ Exercise Auriga, defpro.com Archived July 14, 2010, at the Wayback Machine
- ↑ "UK Spearhead plans accelerated capability insertion for Sonar 2087". Janes.com. Retrieved 14 January 2023.
- ↑ Allison, George (25 October 2022). "Royal Navy looking to quickly upgrade sonar on frigates" . Retrieved 15 March 2023.
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