NTSC/Region 0. Railway posters during the Second World War enquired of civilian passengers "Is Your Journey Really Necessary?" - the Home Front Railways of Britain in their logistical role transporting the men, munitions, materials and machinery of combat, really were a weapon of war. This DVD is the definitive archive led long-form documentary celebrating the railway's vital role in the nation's war effort. This 100% archive film program is made from significant amounts of previously unseen film footage from the vaults of the Imperial War Museum in combination with genuine wartime newsreel footage. It evidences the great diversity of steam locomotive types brought to bear on the transportation of all kinds of wartime goods and passengers. This is the first part of the most comprehensive trilogy ever made on Britain's railways during the war years.