Casualties of War

Casualties of War is a 1989 drama film directed by Brian De Palma, with a screenplay by David Rabe, based on the actual events of the incident on Hill 192 in 1966 during the Vietnam War. It stars Michael J. Fox and Sean Penn. An article written by Daniel Lang for The New Yorker in 1969, and a subsequent book were the movies primary sources.

The platoon takes a break outside a river village in the Central Highlands. While relaxing and joking around, one of the platoon members, SpecialistBrownie Brown, is killed when the Viet Cong ambushes them. Shortly afterward, Private First Class Antonio Diaz arrives as Brownies replacement.Frustrated because his squad has been denied leave for an extended period, Meserve orders the squad to kidnap a Vietnamese girl, Than Thi Oanh, to be their sex slave. Eriksson strenuously objects, but Meserve silences him and ostracizes him from the rest of the squad, later threatening to kill Eriksson if he dares an attempt to interfere. The girl is forcibly taken to the squads next command post and is repeatedly beaten and raped by all the men but Eriksson. ........

Source: Wikipedia