Heartbreak Ridge

Heartbreak Ridge is a 1986 American Technicolor war film directed and produced by Clint Eastwood, who also starred in the film. The film also costars Mario Van Peebles, Marsha Mason, and Everett McGill. The film was released in the United States on December 5, 1986. The story involves the actions of a small group of U.S. Marines during the American invasion of Grenada in 1983. A portion of the film was filmed on the island.

Gunnery Sergeant Thomas Highway Clint Eastwood is nearing mandatory retirement from the Marine Corps when he finagles a transfer back to his old unit. On the bus trip to his new assignment, he meets fellow passenger Stitch Jones Mario Van Peebles, a flashy wannabe rock musician who borrows money for a meal at a rest stop and then steals Highways bus ticket, leaving him stranded.When Highway finally arrives at the base, he finds that his new Operations Officer, Major Malcolm Powers Everett McGill, is an Annapolis graduate who transferred from Supply and has not had the privilege of combat. He sees Highway as an anachronism in the new Marine Corps and assigns him to shape up the reconnaissance platoon, which is made up of insubordinate Marines who had been allowed to slack off by their previous platoon sergeant. Among his new charges, Highway finds none other than Corporal Stitch Jones. Highway quickly takes charge of the platoon and starts the men on a rigorous training program. ........

Source: Wikipedia