The document discusses how three science fiction films, Starship Troopers, War of the Worlds, and Independence Day, use allegories of war, particularly World War 2 and the Cold War, in their plots and imagery. Starship Troopers was influenced by the director's experiences during World War 2 and the Cold War. Scenes in War of the Worlds reference the 9/11 attacks. Independence Day used imagery resembling the effects of bombings in World War 2 and Vietnam. The document also provides brief summaries of the plotlines of each film.