Fortification is a Strategic Order in Kards - The WWII CCG.
Background[]
British anti-invasion defenses: A pillbox on the promenade on the sea front at Worthing, Sussex, June 26, 1940.
From 1940-1942 Britain was under threat of a German invasion and as part of an anti-invasion plan both the military and civilians were mobilized into building field fortifications across the United Kingdom, and large areas, especially in southern England, were transformed into a prepared battlefield.