U-571 (2000), directed by Jonathan Mostow, is a tense World War II submarine thriller that blends claustrophobic atmosphere, technical thrills, and moral ambiguity. While marketed as a high-stakes action picture, the film operates on multiple levels: as a suspense-driven war drama, as a character study under extreme pressure, and as a commentary on wartime mythmaking and historical fidelity. This essay examines the film’s narrative structure, themes, character dynamics, technical realism, and the controversy surrounding its historical accuracy, arguing that U-571 succeeds cinematically while problematically reshaping history for dramatic effect.