Vanguard-class submarine

Class of vessel

The Vanguard class is a class of nuclear-powered ballistic missile submarines in service with the Royal Navy. Wikipedia

Active: 4

Built: 1986–1998

Complement: 135

Cost: £12.15 billion for 4 units (1995/6); £3.04 billion per unit

Displacement: Submerged: 15,900 t (15,600 long tons; 17,500 short tons)

Electronic warfare & decoys: Two SSE Mk10 launchers for Type 2066 and Type 2071 torpedo decoys; RESM Racal UAP passive intercept

In service: 1993–present