Describes Operation Overlord -the Normandy invasion -in terms of military planning, logistics, and operations. Discusses the Normandy Invasion of 1944, and how important air power was to its success. Illustrated with black and white photographs and battle maps. Includes a list of suggested readings. This booklet is adapted and edited from a longer book by the same author: "Strike From the Sky, The History of Battlefield Air Attack, 1911-1945," published by the Smithsonian Institution Press in 1989.