Warfare has formed the basis of some of Hollywood's greatest stories, from The Longest Day to the upcoming aviation show, Masters of the Air. One of the most persistent tragedies in the history of humanity, war has a habit of demoralizing nations, destroying societies, and breaking spirits. However, through the conflict and pain, heroes do emerge, and later generations can learn from their forebears' mistakes.
Source:https://www.cbr.com/powerful-war-films-ranked/