Became part of a Jedburgh team, a three men team consisting of an American, a Britt and a Frenchman. Le Borgne’s team no. 45 was dropped over Finistère, Brittany in July 1944, to assist the French Resistance. After the Jedburgh mission he joined one of two French Special Air Service units with which he takes part in two operations behind German lines in the Ardennes and the Netherlands.
After the war, he joins a parachute regiment and serves in Indochina where he commands the 8th Parachute Commando Group between 1952 and 1953. During the Algerian War he commands the 3rd Marine Infantry Parachute Regiment from 1961 to 1962, leading it during the Bizerte crisis and keeping it loyal to de Gaulle during the 1961 Algiers Putsch. After the war Guy Le Borgne commanded the 11th Parachute Division from 1973 to 1975 and finished his career as military governor of Lyon from 1976 to 1980 with the grade of general de corps d’armée.
After he retired he was elected President of the Confédération nationale des associations parachutistes in 1980 and becoming member of the honorary committee of the Union Nationale des Parachutistes in 1988. Guy Le Borgne also painted under the pseudonyme of Guy Le Zachmeur, his resistance alias from World War II. He died on 12 December 2007.