Earlier quoted context omitted.
An article about the reasons infantry fire or not: http://www.historynet.com/men-against-fire-how-many-soldiers... I read somewhere (citation needed!) that the percentage of soldiers who deliberately fire their weapon at the enemy has increased from WWI to the Iraq conflict, which some put down to violence in movies and video games. After watching excellent Iraqi conflict documentaries like Restrepo and Armadillo (Da…
You're right about the percentage increase. This is for two reasons - first, because most of the close-range shooting on the ground was done by special forces who're trainined to overcome that resistance. Second, because many of the deaths are from bombs - either shelling from ships at sea, or from aircraft and UAVs. Those last three remove the personal element, and that makes "pushing the button" really easy and gui…
I also recall that snipers are trained by shooting watermelons - the impact of a high velocity round on a watermelon is not too dissimilar to an impact on a human head. Snipers see the carnage in all its gory detail because of their magnified scope so it's necessary to desensitise them in training.
Edit: slo-mo watermelon getting shot: http://www.youtube.com/watch?v=iO3XsZpOiBA