OVERVIEW: The S 28 Vanguard is a ballistic missile submarine (SSBN) operated by the United Kingdom. Commissioned in 1999, it represents a cornerstone of the UK's independent nuclear deterrent.

DETAILS: The Vanguard-class submarines were designed and built in the late 1980s and 1990s as replacements for the aging Resolution-class SSBNs. The design emphasized stealth and survivability to ensure the continuous at-sea deterrence (CASD) posture could be maintained. The submarines incorporate advanced noise reduction technologies and a robust hull capable of withstanding significant underwater pressure. The Vanguard class represents a significant investment in the Royal Navy's strategic capabilities and underscores the UK's commitment to its nuclear deterrent. The boats are home-ported at HM Naval Base Clyde (Faslane) in Scotland.

The primary role of the S 28 Vanguard is to provide a credible and invulnerable nuclear deterrent. While primarily an SSBN, it also possesses a limited anti-submarine warfare (ASW) capability. Its secondary roles include intelligence gathering and surveillance. The vessel is capable of extended deployments and autonomous operations in distant waters. The advanced sensor suite, including the Type 2044, Type 2043, and Type 2045 sonars which form part of the Type 2054 suite, provides comprehensive situational awareness, enabling the detection and tracking of potentially hostile submarines and surface vessels. The Type 1007 navigation radar provides accurate surface navigation data. The UAP-3 electronic warfare support measures (ESM) system intercepts and analyses radar emissions, aiding in threat identification and avoidance.

Technically, the S 28 Vanguard is equipped with the Trident D5 ballistic missile system, providing a long-range, multi-target capability. The four 533mm torpedo tubes allow for self-defense against submarine threats using appropriate torpedoes. The presence of the SSE Mk10 Submarine Signal Emitter provides a countermeasures capability. The integration of two periscopes, one optical and the other incorporating low light television (LLTV), enables visual observation of the surface environment. The Type 2082 is likely an early Intercept warning system designed to avoid counter detection.

SPECIFICATION: Length: 149.9 m || Beam: 12.8 m || Draft: 12.0 m || Disp: 13000 t

SENSORS: Type 2044 [Type 2054 Suite] || Type 2043 [Type 2054 Suite] || Type 1007 || UAP-3 || Type 2082 || Type 2045 [Type 2054 Suite] || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV

ARMAMENT: 533mm TT || Trident D5 || SSE Mk10