it's pretty good, i suggested the same thing about the map change for CAS.
i have a few more actually, will leave it here.
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small and medium arms fire from the forest, when we drop a napalm to it, the black smoke will rise high and cause a forest fire.
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add an anti aircraft flak, it can be placed in the forest and steep mountains.
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the tanks should be older than the one we already had. T-34-85, T-54 and T-55.
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when we use helicopter for CAS, the Vietnam troops can change from AK's fire to Rpg's trying to shoot down the helicopter.
i think that's all for now, feel free to correct me.