
Battle of Britain
From July to October 1940 the Royal Air Force and Germany's Luftwaffe fought for control of the skies over southern Britain, a contest Hitler had made a precondition for any invasion. Britain's radar-linked defence system, built under Air Chief Marshal Hugh Dowding, let a numerically stretched Fighter Command meet each wave of attacks; Germany's shift in September to bombing cities came after it failed to destroy that defence outright. The invasion, Operation Sea Lion, was postponed and then abandoned. Dowding himself was removed from command within weeks of the victory, a decision historians still argue over.


