early warning
sonar
sonar
early warning sonar
(retractable)
(retractable)
sea bed to surface
missile launching
gear
missile launching
gear
main control
centre
centre
missile
storage
hold
storage
hold
missile guidance
control
control
magnified detail
of tubeway car
of tubeway car
tubeway
network
network
maximum security cells
sixteen inch naval guns
modified to fire missiles
modified to fire missiles
