PTSD?
Veteran Plunges to His Death. Page 7.
https://progressivehistorians.wordpress.com/2007/10/06/ptsd-and-the-myth-of-ww-ii/
I had an uncle who was a paraplegic from Iwo Jima. He did everything, wheel chair basketball, hunting and fishing, worked jobs, invented a system so he could drive. Life was hard both before and after the war for him, but he was a hero to all the nephews.
As I get holder I experience some of the symptoms though I was never in the service. Life is hard sometimes but there is no doubt the war had an effect.
It is a COMPLEX thing. Some got stronger because of battle. In some, battle brought out what existed in their personality. In some cases battle caused it.
The reference says that only 35% saw battle.
In WWI many officers behind the line got shell shock. Interesting that in WWI it was thought that exploding shells caused a concussion in the brain, thus the confusion as to cause.
There are many reports that say that suicide among the military is no different than the rate in civilian population. But because it is military, it gets more attention?
I do not want to discount this. Reading the above and the images and experiences imprinted on young developing men had to leave a life time effect.