Vanguard Class

Question 1

Type of Ship

Answer 1

nuclear powered ballistic missile

Question 2

complement

Answer 2

135

Question 3

powerplant

Answer 3

1 × Rolls-Royce PWR2 nuclear reactor

2 × GEC turbines; 27,500 shp (20.5 MW)

Question 4

Sensors and

processing systems:

Answer 4

BAE Systems SMCS
Kelvin Hughes Type 1007 I-band navigation radar
Thales Underwater Systems Type 2054 composite sonar suite comprising:
Marconi/Ferranti Type 2046 towed array sonar
Type 2043 hull-mounted active and passive search sonar
Type 2082 passive intercept and ranging sonar
Pilkington Optronics CK51 search periscope
Pilkington Optronics CH91 attack periscope

Question 5

armanent

Answer 5

4 × 21 in (533 mm) torpedo tubes for:
Spearfish heavyweight torpedoes
16 ballistic missile tubes for:
16 × Lockheed Trident II D5 SLBMs (carrying up to 8 warheads each)`

Question 6

decommision date

Answer 6

to be replaced by 2028