US Helicopter Door Gunners

This seems to be a recruitment film as well as a film meant to show the American people what their soldiers were doing.

It's actually a pretty weird film, well worth seeing. It has kitschy, bizarre music in the background and presents the motives for the soldiers in the film as being completely patriotic. Basically the film was meant to generate pride in the US military among Americans who watched the film.

You do not see any people getting killed, but you do see wounded American soldiers being air-lifted out of combat zones.  There are assertions that the North Vietnamese shot at medical helicopters in this film, but the narrators do not seem to have any problem with the presence of American soldiers in Vietnam.