(See Cover) Four days before the Great Invasion the aerial encirclement of Fortress Europe was completed.
U.S. Flying Fortresses took off from Italy, bombed rail targets in Rumania, flew straight on to new U.S. bases in the heart of the Soviet Ukraine.
From then on, every main base of attack on Germany was manned, at least in part, by Western Allied air power. Harassed German defense commanders had to rearrange their thinning squadrons to meet new bombing attacks from every direction. Allied air power had bombed around the compass.
The closing of...