COASTAL DEFENCE SITE

SN Sites, buildings and structures for the defence of the coastline from sea and air invasion.
CL DEFENCE
NT BEACH DEFENCE
BEACH DEFENCE BATTERY
BEACH DEFENCE LIGHT
BOOM
BOOM TOWER
CIRCULAR REDOUBT
COASTAL BATTERY
EXTENDED DEFENCE OFFICER POST
MARTELLO TOWER
POSITION FINDING STATION
SAXON SHORE FORT
SEA FORT
SUBMARINE BASE
SUBMARINE MINE DEPOT
TORPEDO STATION