Examines the momentous turning points of 1941-1943: Hitler's invasion of Russia; America's entry into the conflict; the devastating Thousand Bomber Raids over Germany; the long struggle in the deserts of North Africa; and the defeat of the U-boats in the crucial Battle of the Atlantic.

'James Holland is a master' BBC HistoryIt was to be the battle to end the air war once and for all. During the third week of February 1944, the combined Allied air forces launched their first-ever round-the-clock bomber offensive against Germany.