Nuclear submarine HMS Anson (S123)

1 month ago
Nuclear submarine HMS Anson (S123) 0
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Classification

Submarine class:
Type:
Submarine: Attack submarine

Basic information

Country of build:
Builder:
builder: BAE Systems Submarine Solutions
Operator:
Laid down:

Measurements

Surface displacement:
6500 t
Submerge displacement:
7800 t
Length:
97 m
Beam:
11.3 m
Draft:
10 m

Machine

Propulsion:
  • Rolls-Royce PWR 2 reactor
  • MTU 600 kilowatt diesel generators
Surface speed:
18 knots
Submerge speed:
30 knots
Surface range:
Unlimited
Submerged range:
Unlimited
Test depth:
300 m

Crew

Complement:
98

Combat assets

Electronics:
  • Thales Sonar 2076
  • Atlas DESO 25 echosounder
  • 2 * Thales CM010 optronic masts
  • Raytheon Successor IFF
Armament:
  • 6 * 21 in (533 mm) torpedo tubes with stowage for up to 38 weapons:
  • Tomahawk Block IV cruise missiles
  • Spearfish heavyweight torpedoes

HMS Anson is the fifth Astute-class nuclear-powered fleet submarine of the Royal Navy. She will be the eighth vessel of the Royal Navy to bear the name, after Admiral George Anson.

On 25 March 2010, BAE Systems were given the go-ahead by the government to begin construction on boats 5 and 6 (Anson and Agamemnon), being given a £300 million contract for the «initial build» of boat 5 and «long lead procurement activities» for boat 6. Later that year work was begun on the pressure hull and reactor compartments and construction is currently ongoing as of 2011. On 15 September 2011 it was announced that boat 5 would be named Anson; it was previously believed that boat 5 would be Agamemnon and boat 6 Anson. Her keel was ceremonially laid on 13 October 2011. On 19 November 2015, a possible new contract worth £1.3 billion was signed for HMS Anson.

Anson's nuclear reactor will not need to be refuelled during the boat's 25-year service. Since the submarine can purify water and air, she will be able to circumnavigate the planet without resurfacing. The main limit is that the submarine will only be able to carry three months' supply of food for 98 officers and ratings.

Anson will have provision for up-to 38 weapons in six 21-inch (533 mm) torpedo tubes. The submarine will be capable of using Tomahawk Block IV land-attack missiles with a range of 1,000 miles (1,600 kilometres) and Spearfish heavyweight torpedoes.

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