In the movie Apocalypse Now , the setting was changed from the late 20th-century Congo to the Vietnam War .
The setting was changed from late 19th-century Congo to the Vietnam War ( 1969–70 ) , the years in which Green Beret Colonel Robert Rheault , commander of the 5th Special Forces Group , was indicted for murder and President Richard Nixon authorized the secret Cambodian Campaign .
Apocalypse Now