The Greatest Amphibious Assault In History!A Tribute To The Men & The Battle That Liberated The World. On the morning of June 6th 1944, 156,000 Allied troops stormed the beaches of Normandy and changed the course of modern history. With nothing but their strength to triumph, courage and honor, these brave soldiers engaged in an epic twelve-hour battle that came to be the greatest military operation of all time. Using rare archival video footage, insightful narration and previously classified information, you can witness the D-Day Invasion like never before!.