The victories won by British arms in the years which followed that great deliverance have made men forget those soldiers – the first of the many – upon whom it fell to withstand the shock of Hitler’s great attack. It is now fitting that these men and their Commander-in-Chief, Lord Gort, should be worthily remembered, and their story fully told, from those first landings in France, in the autumn of 1939, until the climax of Dunkirk. The authors, both professional writers, themselves served as officers with the B.E.F., and have recaptured the gallantry and comradeship of that little force. The result is a moving story of courage and devotion in the face of odds which no other British Force has ever been called upon to face. It is chivalrous to admire a gallant enemy, and of that chivalry we have lately seen much. Justice demands that the courage and devotion of our own fighting men be no less clearly recognised. There were no medals for the B.E.F., hardly even today the laurels of memory. They were soldiers, doing a soldier’s job against odds which no British Force had ever been called upon to face, and which, it is to be hoped, no British Force will ever face again. What were they then, the men of that small Expeditionary Force, a mere army in one of the groups of French armies? How did they spend the months of what has been called the “twilight war”, and how, when the shock of battle came at last, did they withstand the blow? Dunkirk tells the true story of those brave men who fought to save the lives of so many. With the 2017 movie release of Christopher Nolan’s Dunkirk now is the time to remember the real history of the battle in the words of those who experienced it. Lt. Colonel Ewan Butler and Major J. Selby Bradford M.B.E., M.C. served in France as young officers during the last months of 1939 and the first five of 1940 with that small British Expeditionary force commanded by Lord Gort, which first faced the full might of Nazi Germany. Dunkirk was first published in 1950 under the title Keep The Memory Green. It was used as inspiration for the 1958 film, Dunkirk, starring Richard Attenborough.