Air raid sirens wail, searchlight beams flash across the sky, and the night is aflame with tracer fire and aerial explosions, as Allied bombers and German anti-aircraft units duel in the thundering darkness. Such "cinematic" scenes, played out with increasing frequency as World War II ground to a close, were more than mere stock material for movie melodramas. As Edward Westermann reveals, they point to a key but largely unappreciated aspect of the German war effort that has yet to get its full due.

Long the neglected stepchild in studies of World War II air campaigns, German flak or...

As he prepared to wage his war of annihilation on the Eastern Front, Adolf Hitler repeatedly drew parallels between the Nazi quest for Lebensraum, or living space, in Eastern Europe and the United States's westward expansion under the banner of Manifest Destiny. The peoples of Eastern Europe were, he said, his "redskins," and for his colonial fantasy of a "German East" he claimed a historical precedent in the United States's displacement and killing of the native population. Edward B. Westermann examines the validity, and value, of this claim in Hitler's Ostkrieg and the...