How would you react under fire? Fight or flight? What if you were in charge of a squad of men, with their lives in your hands? The next decision you make could be fatal for you and your comrades or could be devastating to your enemy. The wrong decision could haunt you for the rest of your career and beyond. The decisions taken by commanders in the field are analyzed in a detached manner by historians. But what, for example, was the thought process of a reconnaissance tank officer operating...