A fortress maintained since the First World War would have known defences, plans, and underground protection before 1939. The video considers bombing, paratroops, railway guns, fighters, and radar, while stressing that Britain would have warning time to evacuate civilians and reinforce the garrison. Germany could devastate the surface, but bombing alone would not remove troops and equipment sheltered beneath it. Hitler's likely fixation on reversing a symbol of Germany's earlier defeat could therefore consume elite airborne and air forces against a small, prepared objective.
Chapter · 2:05:25-2:10:50
Heligoland in a Second World War scenario
In a Second World War version of the scenario, Heligoland becomes a prepared air-defence fortress that Germany may try to neutralise from the air or seize by airborne assault.