123Movies. Dunkirk to D-Day in 20 minutes flat: this gripping account of Britain's war effort compels us to sit up and pay attention. A 'total war' is one encompassing civilian as well as military life. Here we witness the might of the state mobilising technology, infrastructure, agriculture, industry and above all people. A rapid-fire onslaught of images and information palpably evokes the experience of total war.