Includes 20 IllustrationsIn 1942 the Allied powers faced the most serious challenge to their control of the seas encountered in the Second World War: the menace of the U-boat. Fast, well- armed, and long-ranged, Hitler's submarines attacked shipping throughout the North Atlantic, often within sight of America's coastal towns and cities.Eventually, the combination of intelligence, land and sea- based air power, and surface vessel operations from both North American and British bases ended this threat, making possible the Allied build-up for the invasion of Europe in 1944.Flying radar-equipped long-range patrol planes, AAF airmen demonstrated the value of land-based air power against naval threats. This success has been reaffirmed |