Don McCullin is one of the greatest war photographers. This is just one of many, many of his images. They are stunning. http://www.guardian.co.uk/culture/2010/may/22/don-mccullin-southern-frontiers-interview http://www.nytimes.com/1997/10/30/style/30iht-don.t.html?pagewanted=all
WW1: A rather pensive British laddie caught by the photographer near Mons, undated. Trench warfare was brutal and unforgiving, Hundreds of thousands returned home with what is today identified as Post Traumatic Stress Disorder, yet the literature contains scant information about postwar psychological troubles with violent outcomes. Different times, different people.