Although the United States declared war against Germany in December 1941, a successful assault on Nazi-occupied Europe could not happen until Germany's industrial and military might were crippled. The first target was the Luftwaffe--the most powerful and battle-hardened air force in the world. The United States Army Air Forces joined with Great Britain's already-engaged Royal Air Force to launch a strategic air campaign that ultimately brought the Luftwaffe to its knees. One of the standout units of this campaign was...