Track Attack defeated afterhours!
Also, I solved the woman prisoner mystery. I accidentally left her in from an earlier version. When you triggered her rescue script, the real prisoner picked up a rifle, became vulnerable to death, and was killed by his captor. He then, apparently, fell through the world. Best explanation I can offer based on the evidence.
It was interesting to see that the simulated XM-25 had the same issue the real one has been reported as having -- 500m point attack, 700m area attack is insufficient for fighting in the mountains/desert. I'm glad it worked perfectly though.
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"It is necessary to develop a strategy that utilizes all the physical conditions and elements that are directly at hand. The best strategy relies upon an unlimited set of responses."
-- Ueshiba Morihei