The Normandy Invasion was a massive military operation launched on June 6, 1944 by Allied forces. Over 5,000 ships and 11,000 planes were involved in transporting over 150,000 troops across the English Channel to five beaches in Normandy, France. It faced heavy German resistance from fortified defensive positions along the coast. While the invasion resulted in over 9,000 casualties on D-Day alone, it succeeded in securing a beachhead in Normandy and marked a major turning point in World War 2, ultimately leading to the liberation of Western Europe from Nazi Germany.