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Answer (P 425)

Built By: Vickers (Barrow)
Build Group: Amphion
Fate: Cancelled

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Amphion Specification
Length overall  280 ft 6in
Beam  22 ft
Depth  16ft
Displacement   1385 tons (surface)
  1620 tons (submerged)
Diving Depth  350 ft
Speed  Surface 18.5 knots (design)
  Submarged 8 knots (design)
No. of shafts  2
Armament  6 x 21 inch bow tubes (2 external)
  4 x 21 inch stern tubes (2 external)
  20 torpedoes carried
  1 x 4 inch gun
  1 x 20mm Qerlikon cannon
  3 x 0.303in machine-guns
Endurance  Surface: 10 500 miles at 11 knots (design)
  Submerged: 16 miles at 8 knots or 90 miles at 3 knots
Complement  6 Officers and 55 Ratings.
  6 Officers and 58 Ratings after modernisation.
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Tireless (S 88)

Class: 1983 - 2025: Trafalgar Class
Built By: Vickers (Barrow)
Build Group: SSN 4b
Fate:
Decommissioned at Devonport 19-06-2014
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