Swiftsure-class

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Summary

Origin country 🇬🇧 United Kingdom
Category Submarine
SubtypeNuclear attack submarine
ManufacturerVickers Shipbuilding and Engineering Ltd. (VSEL)
Year commissioned1973
UnitsS108 SOVEREIGN, S109 SUPERB, S104 SCEPTRE, S105 SPARTAN

Description

The Submarine Swiftsure class is a series of nuclear-powered ballistic missile submarines (SSBNs) developed and operated by the Royal Navy of the United Kingdom. These technologically advanced submarines were first commissioned in the 1970s to replace the ageing Resolution class SSBNs.

The Swiftsure class submarines are designed to be highly silent and stealthy, making them well-suited for covert patrol missions. With a displacement of over 4,800 tons and a length of approximately 85 meters, these submarines are capable of carrying up to 16 Trident II missiles, each with multiple independently targetable reentry vehicles (MIRVs). This formidable missile system enables the submarines to provide a credible deterrent and contribute to the UK's strategic nuclear weapons capability.

Equipped with advanced sonar systems, the Swiftsure class submarines have excellent underwater surveillance and detection capabilities. They are also armed with torpedoes, allowing them to engage hostile surface and underwater targets when necessary. To ensure extended operational endurance, these submarines feature nuclear propulsion systems that provide virtually unlimited range and endurance.

The Swiftsure class submarines are built to high safety standards, incorporating multiple redundancy systems and advanced fire-fighting capabilities. They also have advanced communication and command systems, enabling seamless integration into joint naval operations.

Over the years, the Swiftsure class submarines have undergone various upgrades and modifications to enhance their capabilities and extend their operational lifespan. However, as they approach retirement, they are being gradually replaced by the more modern and advanced successor, the Dreadnought class submarines.

Technical specifications

Swiftsure
Displacement4000 tons
Displacement submerged4900 tons
Range Unlimited, except by food supplies
Crew116 members
Width9.8 m (32.2 ft)
Length82.9 m (272.0 ft)
Max. depth300 m (984.3 ft)
Propulsion

1 Vickers-Rolls Royce PWR 1 reactor with a power of 15,000 hp - 1 propeller

Armament

5 533mm TLTs (25 Spearfish / Sub Harpoon / TASM)

Maximum speed28 knots
Max. speed submerged30 knots

Photo of Swiftsure class

Swiftsure-class

Silhouette

Swiftsure-class silhouette