As he was in Africa when war broke out he volunteered joining the Kings African Rifles as a Scout. Took part in a number of missions between August and November 1914, when regular troops arrived and took over from the volunteers.
In July 1915, he returned to England, and underwent 2 months Officer Training. Commissioned as 2nd Lieutenant in 5th Battalion, Royal Norfolk Regiment. Appointed ADC to Divisional Commander, Major-General Sir Stuart Hare, spent 9 months on staff duties, then applied for transfer to Royal Flying Corps.
Posted to flying school in Abbassia, Egypt in March 1917, where he completed a course in flying theory. Then posted to Ismalia for flying training, returned to England in May 1917, after training in Lincolnshire and at the aerial gunnery school in Turnberry, he qualified as a pilot. Posted to No. 1 Squadron at Bailleul in France. On one of his early patrols his aircraft was full of bullet holes when he returned to base but George was not wounded. Reported missing on July 28th 1917, after he was last seen chasing 4 German aircraft, having already shot down another. His body was never recovered; he is commemorated on the Arras Flying Services Memorial, Arras France.