Dealing With Insubordination

Bruno was definitely surprised by the reports he had read after promoting his two closest friends to the rank of major and giving them a far more significant degree of control and responsibility in the war effort. The nicknames given to the two men couldn't have been more different. 

On the one hand, the war had certainly hardened Erich's heart, rendering him incapable of remotely empathizing or sympathizing with another human life. His cruelty in pursuit of the Marxists was legendary, earning him the nickname "The Terror of Belgorod." 

Whereas Heinrich had almost certainly progressed in the exact opposite direction. It was a war, and things such as collateral damage, civilian casualties, and the displacement of millions of innocent people were natural consequences.