Its official military title was Operation Argument. The Combined Bomber Offensive unfolded over a stretch of six days in 1944, starting on Feb. 20 and running through Feb. 25. Nobody knew it at the time, but Argument would shove the powerful Luftwaffe into an irreversible decline, and make possible the June 6, 1944 Normandy invasion. No wonder everyone now refers to that famous bombing campaign simply as "Big Week."
展开▼