Alone, unprepared, and weak—these are the words often used to describe Britain’s position in 1940, a narrative that has persisted since the end of World War II. But is that the whole truth? The reality might surprise you.

In this episode, Angus uncovers the fascinating story of Britain’s secret defences during the dark days of 1940. Joining Angus is Andrew Chatterton, author of Fortress Britain 1940: Britain’s Unsung and Secret Defences on Land, Sea, and in the Air.