Under Seige [1995]

The storyline follows a platoon of U.S. Marines through their boot camp training at Marine Corps Recruit Depot Parris Island, South Carolina. The first half of the film focuses primarily on privates J.T. Davis and Leonard Lawrence, nicknamed "Joker" and "Pyle" respectively, who struggle under their abusive drill instructor, Gunnery Sergeant Hartman. The second half portrays the experiences of Joker and other Marines in the Vietnamese cities of Da Nang and Huế during the Tet Offensive of the Vietnam War. The film's title refers to the full metal jacket bullet used by military servicemen.