While I agree with everything Ssnake said and the general sentiment that good modelling is hard and is almost impossible for complex situations (good example is sham/scam situ with economics and all it's Nobel laureates)  what we are talking is some basic lack of data and dubious assumptions and not the fault of modelling per se. Why would copious amounts of ATGM not be relevant as a factor mitigating RU armor advantage? And yes MANPADs would do the same in RU CAS  case.  The deliveries s