A man and a European girl are about to have sex before they are interrupted. A woman is seen partially nude at a strip joint. A woman is dancing with pasties over her nipples. Her breasts are shown with the nipples covered.

Many people are shot and killed in the Vietnam sequences, often with bloody results. A man struggles with a bloody neck wound, and even spits out large quantities of blood. Several people receive minor injuries in a football game. A man is shot in the chest and later bleeds to death. A commanding officer and a U.S. congressman snicker a photo taken by the commanding officer of a dead Vietnamese civillian he claims he shot himself. Perhaps the bloodiest scene in the movie, the body appears to be severely beaten and scarred. A small barfight escalates into madness when the whole bar begins to join in. Later on, customers are seen with blood on their clothes. The National Guard breaks up a campus demonstration. They are seen beating students to a bloody pulp with their batons. An overall pretty violent movie for its PG rating.

There is one usage of "fuck", but it's super fast, you'll need to turn on subtitles.

Mild profanity is used frequently throughout the film.

Hippies are seen getting stoned and taking LSD. A seen at a bar shows people drinking beer and other alchohol.

A photo taken by the commanding officer in the Vietnam scenes shows a villager that was brutally beaten and shot. A campus demonstration broken up by riot police ends with a significant amount of the students involved being severely beaten.