The Allied invasion of Nazicontrolled France on June 6, 1944 was the largest military invasion in history, involving nearly 160,000 service members arriving by ship and air at Normandy. Its success turned the tide of World War II. Two decades after DDay, former Gen. Dwight D. Eisenhower, who was Supreme Commander in charge of the operation, returned to Normandy. Eisenhower talked with CBS News' Walter Cronkite about his experiences in June 1944, the tactical decisions behind Operation Overlord, and how British Prime Minister Winston Churchill was talked out of joining the invading forces. Eisenhower and Cronkite visited the Allies' war room on England's southern coast; the coast of France, including Pointe du Hoc and Omaha Beach; and the American military cemetery at St. LaurentontheSea. This special broadcast of "CBS Reports," featuring newsreel footage of the invasion, originally aired in 19 countries around the world on June 5, 1964.