My father and his two brothers and my eventual step father were all front line in WWII. Normandy, the Battle of the Bulge, the bombing of the Romanian oilfields, the air war in the south Pacific. All came home unharmed physically. They never talked about it, even when we would ask. When we would watch a war movie and would ask if it really was like that all they ever said was something like, No, it was far worse. I think I understand.
When my father passed away we were going through his effects and found the battle record of his ship. I knew about it from the only time he ever talked about the war to me. My little brother, a retired Navy fighter pilot, had no idea that he was ever on a ship none the less a decorated minesweeper at Normand.
Another younger brother and I were both in VietNam and we don't talk about it much either except with other vets. It is too bad that we don't pass on the horrors of war to the next generation. I think that they would be less likely to engage in it.
Ken