 His next assignment was in Yekaterinburg in the Urals , where he was appointed second in command of a training school for non @-@ commissioned officers attached to the Anglo @-@ Russian Brigade . He found this post frustrating , having to dismiss nearly a third of his initial cadre on medical grounds , and struggling to get supplies and support from the White Army authorities . Despite this , he developed a rapport with his men and an admiration for the Russian soldier . 
