There was a CD comp that came out some years ago featuring monologues by the real Adrian Cronauer, and that I recall, was one of the more entertaining ones he told in between songs which were plenty evocative of 'Nam (Strawberry Alarm Clock, Jefferson Airplane, etc).

My uncle, who completed a rotation at Da Nang, described it exactly as you say.

The closest I've come is Osan in July - we had an exercise there my first week on base, during which something like 50 folks went to the hospital for dehydration and heat stroke - we ended up in "Modified Simulated MOPP 4" - which meant BDU pants, brown t-shirt, and your IPE (individual protective gear) - with the Army UH-60s and USAF HH-60s overhead, it was rather evocative of Vietnam itself I guess.

That heat and humidity, right around monsoon season was no joke.

As far the Sandbox and the countries close by in the Gulf, well we like to joke that it's a dry heat
I'll let you guys know how Iraq is when i get there - going there in the next few months in fact.

"A good plan executed now is better than a perfect plan next week" - Gen George S. Patton, Jr.