Comparing Force Ratios to Casualty Exchange Ratios Christopher A. Lawrence [The article below is reprinted from the Summer 2009 edition of The International TNDM Newsletter.] There are three versions of force ratio versus casualty exchange ratio rules, such as the three-to-one rule (3-to-1 rule), as it applies to casualties. The earliest version of the rule … Continue reading Comparing Force Ratios to Casualty Exchange Ratios