Coastal fortifications in Scotland played a vital role during the World Wars, protecting shipping as they mustered to convoy.
New fortifications were built and old defences were also rebuilt or strengthened around the Scottish coast in case of invasion.
[3] There were over forty seven coastal defence locations in Scotland during the First World War.
These defences listed below, were newly built for the Second World War.
Chain Home Low (CHL), a new aircraft detection and tracking system, Radar, operated by the Royal Air Force during the Second World War.