Answer
Fonda portrayed Col. Barney Adams in the 1965 film'Battle of the Bulge'. Adams was a real-life American soldier who fought in the Battle of the Bulge during World War II. The film is about the Battle of the Bulge, which was a major German offensive in the winter of 1944-45. Fonda's character, Adams, is a tough and determined soldier who leads his men through the battle.