No aspect of the Second World War has become more controversial in recent years than Britain''s Strategic Air Offensive against Germany. Argument has raged over both the morality of mass bombing of heavily populated cities; over its effectiveness in seriously impairing Germany''s war effort and over the horrendous casualty rates caused - both to civilians on the ground, and to the aircrew of RAF Bomber Command who lost some 52,000 men - a higher attrition rate than any other branch of the armed services. In assessing the campaign the official British history of the offensive, of which this is the fourth and final volume, is indispensible. This book contains the background documents - some highly secret - on which the previous narratives of the campaign are based. There are chapters on radar - that war-winning British invention - on navigational aids; on bombs and bombsights and on post-war British and US surveys into the effectiveness of their devastating attacks. There are minutes, me
