"Last Train to Clarksville" by the Monkees...it sounds like fluff but I read an interview where they said it was actually about a soldier going off to war in Vietnam and now instead of seeing it as a light and fluffy song it kind of makes me said (but still has a catchy tune, lol)
I remember that song! Fort Campbell Ky is near Clarksville. My DH (boyfriend at the time) was stationed there before he went to Viet Nam.