What was the world war2 movie about an American marine a Japanese marine and a nun on a phillipan island an island?

The movie you're referring to is likely "Sands of Iwo Jima," which features an American marine, a Japanese soldier, and a nun as central characters during World War II. The film explores themes of honor, sacrifice, and the brutality of war, set against the backdrop of the Battle of Iwo Jima in the Pacific. It highlights the contrasting perspectives of the characters involved in the conflict, emphasizing the human experience amidst warfare.