 The storyline follows a platoon of U.S. Marines through their boot camp training in Marine Corps Recruit Depot Parris Island, South Carolina, primarily focusing on two privates, Joker and Pyle, who struggle under their abusive drill instructor, Gunnery Sergeant Hartman, and the experiences of two of the platoon's Marines in 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.The film was released in the United States on June 26, 1987.