In a nutshell, tell AI what to do for multiple, real time, unplanned scenarios in advance with logic triggers. So if the platoon gets 50 percent wiped out going from way point 1 to way point 2 then they'll retreat to way point 2A ect ect ect
PLEASE STUDY THE EDITOR FOR A TANK SIM CALLED " STEEL BEASTS "
It's literally near perfect to adapt to ARMA
Here's a video example of the logic windows Im talking about in what the STEEL BEAST sim's editor is capable of out of the box:
if you watched all the tutorials in this guys series that shows in detail the way that editor works it would make your guys head spin... BUT PLEASE INCLUDE A LOGIC PANEL UI.