Gardens of Stone (1987)

A sergeant must deal with his desires to save the lives of young soldiers being sent to Vietnam. Continuously denied the chance to teach the soldiers about his experiences, he settles for trying to help the son of an old army buddy.
Francis Ford Coppola
James Caan, Anjelica Huston, James Earl Jones, D. B. Sweeney, Dean Stockwell, Mary Stuart Masterson, Dick Anthony Williams, Lonette McKee, Sam Bottoms, Elias Koteas, Laurence Fishburne, Casey Siemaszko, Mark Frazer, Peter Masterson, Carlin Glynn, Erik Holland
tt0093073