The Royal Navy During The Second World War

The Royal Navy During The Second World War, In the operations room at Derby House, Liverpool, where up to the minute shipping positions are shown on a huge indicator, a Wren can be seen up a ladder making an alteration to an indicator on one of the large, wall mounted maps. This is one of the scenes for an Anglo-American official film covering the battle of the Atlantic right up to D-Day, being shot by Army Film Unit cameramen at the headquarters of the Commander in Chief Western Approaches, 26 September 1944. (Photo by Lt. C H Parnall/ Imperial War Museums via Getty Images)