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Trench warfare was a dreadful ordeal for soldiers, and the Southern Rhodesians, coming from the open veld of southern Africa, had a particularly difficult time getting used to the cold and the mud. Brady reported that some of his men had contracted frostbite within 48 hours of reaching the trenches. Despite this, the KRRC's Rhodesians acquitted themselves well in the eyes of their superiors; Lieutenant-Colonel Sir Edward Hutton, who wrote a history of the KRRC, commented that the Southern Rhodesian contingent "earned for itself great reputation for valour and good shooting". Southern Rhodesians became especially valuable to the KRRC as designated snipers, grenadiers, Lewis Gunners and other specialists. While discussing a KRRC sniper section, Hutton singles its Southern Rhodesian members out for their fine marksmanship, commenting that "accustomed to big game shooting, [they] particularly excelled in this system of 'snipers', and inflicted continual losses upon the enemy". In their 2008 history of sniping, Pat Farey and Mark Spicer highlight the prowess of South African and Rhodesian sharpshooters on the Western Front, and claim that one group of 24 southern Africans collectively accounted for over 3,000 German casualties and fatalities.