I'm not affected, because it tells me nothing. I'm not even sure what it's saying except that war is noisy, scary, and frustrating. So's a ride on the NYC subway. Trust me.

Here's what I think of as a true and affecting war poem. It's well known. There are others; this one just popped into my head first:

http://www.poemhunter.com/poem/vergissmeinnicht/

And I hope we're all familiar with "Dulce et Decorum Est."