Oh oh oh
The green berets go to the front line to find out that they're fighting for something that they don't even know.  And they work real hard to find out through all this crockery that they're missing the point, they got rights too.  Yeah, they find out that they got rights too.
Oh oh oh
And a letter comes from to the mommy, yeah. That her son has died that there's nothing left to do.  The letter says that the government feels bad. For war is hell and hell is war too. 
I'll give you a piece of mind.  I'll write to you saying why I say, why I say you'll never go away.