It's too bad I found this now, as I'm (unfortunately) discontinuing the Vietnam game I had going on...looks like a great resource however. Good find.
(Speaking of which, the game is
GRUNT, table-top roleplaying action for a Vietnam setting. Pretty solid, I like it, but I feel it's much better suited for 'live' gaming, much more shock value to things! The PBP format I ran it in tends to slow things down and limit the 'tense' part of the action, though I'm sure it could be done by those more skilled than me.)