The
Royal Navy's
Vanguard class of nuclear ballistic missile
submarines (SSBNs) includes four boats:
Vanguard (S28),
Victorious (S29)[?],
Vigilant (S30)[?], and
Vengeance (S31)[?].
- Displacement: 15,900 tons submerged
- Length: 149.9 meters
- Beam: 12.8 meters
- Draught: 12 meters
- Complement: 14 officers, 121 ratings
- Armament:
- Sensors:
- sonar (bow, flank, active intercept, and towed arrays)
- periscopes: (attack and search)
- collision avoidance radar