1
Q
Power plant
A
PWR Nuke Reactor
2
Q
Armanent
A
Tomahawk missiles and Spearfish missiles heavyweight torpedos
3
Q
Complement
A
130
4
Q
Decoys
A
Passive intercept system and decoy torpedos
5
Q
Commision
A
4 boats in commision 3 retired with the last expected to be retired in 2022 (replaced with astute class)
