WWII Beach refers to the Allied invasion of Normandy, France during World War II. The code name for the operation was 'Operation Overlord' and the beach was codenamed 'Omaha', which is the answer to the crossword clue. Omaha Beach was one of five beaches that were part of the invasion, and it was the most heavily defended by the Germans. The Allies suffered heavy casualties on Omaha Beach, but ultimately succeeded in their mission.