4salt,

You are stuck in Vietnam proper again. The Soviet influence via the Khmer included cambodia. Now look abck at the map. And now look back at what I said.
"invasion towards the gulf of Thailand. Such a gulf was nearly perfect strategically because it has very deep waters, granite coastline perfect for underground structures for secret manufacturing and testing, high and jagged mountains which are very easy to defend and difficult to navigate by both infantry, vehicle and most aircraft alike making enemy invasion from land very difficult. Best of all, the gulf has a very narrow choke point that has visibility from one point to the other which makes invasion from the sea just as suicidal"

Did I say Vietnam proper anywhere in there?

well then get off it!
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Liberalism is a mental illness!