In the US, Johnny Got His Gun is rated PG - Parental Guidance and R - Restricted. Internationally it has the age ratings: Australia - M; Finland - K-16; France - -12; Sweden - 15; West Germany - 16;...
Yes it's based on a real story that happened in the world war and don't let anyone tell you something else. Listen to metallica one it tells you a lot. It's a song