From an insightful review by George Packer of Iraq War literature:
"The new war literature is intensely interested in the return home. The essential scene of First World War writing is the mass slaughter of the trenches. In the archetypal Vietnam story, a grunt who can never find the enemy walks into physical and moral peril. In much of the writing about Iraq, the moment of truth is a reunion scene at an airport or a military base—families holding signs, troops looking for their loved ones, an unease sinking deep into everyone."
Find the entire article at http://www.newyorker.com/arts/critics/books/2014/04/07/140407crbo_books_packer?currentPage=all