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Swiftsure class submarine

The Royal Navy's Swiftsure class of nuclear fleet submarines (SSNs) includes five boats: Sceptre (S104), Spartan (S105)[?], Splendid (S106)[?], Sovereign (S108)[?], and Superb (S109)[?].

General Characteristics

Displacement: 4400 tons standard; 4900 tons submerged
Length: 83 meters
Beam: 9.8 meters
Draught: 8.5 meters
Complement: 13 officers, 103 ratings
Armament: 5 tubes capable of firing:
- Spearfish torpedoes
- Tigerfish torpedoes
- RN Sub Harpoon missiles
- Tomahawk missiles (Splendid[?] only)
Sensors:
- sonar (bow, flank, active intercept, and towed arrays)
- periscopes (attack and search)
- collision avoidance radar

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