The story of the battle of Iwo Jima between the United States and Imperial Japan during World War II, as told from the perspective of the Japanese who fought it.
This movie contains 8 potentially triggering events.
At approx 1:32 into the movie, a soldier is commanded to shoot a dog. At first, the solider shoots into the air rather than kill the dog. His commanding officer goes to check and shoots the dog himself. This happens off screen.