Ship Class Vanguard-class submarine Explore Vanguard-class submarines. The Vanguard-class submarines carry the UK’s nuclear deterrent. Ships in this Class (4) HMS Vanguard (S28) – Submarine – Vanguard-class submarine (S28) HMS Victorious (S29) – Submarine – Vanguard-class submarine (S29) HMS Vigilant (S30) – Submarine – Vanguard-class submarine (S30) HMS Vengeance (S31) – Submarine – Vanguard-class submarine (S31)