"84 Charlie MoPic" comes from the Army Military Occupational Specialty code "84C", which was a Motion Picture Cameraman (MoPic) during the VietNam era.
Numerous Vietnam Veterans , including those from LRRP, Ranger and Airborne units have named the film to be the best depiction of a combat tour in a small unit in Vietnam.
The film is well known to be a harsh and realistic depiction of the Vietnam War.