He was commissioned as an officer in Småland Grenadier Corps (I 7) in 1898 with the rank of
underlöjtnant and attended the
Royal Central Gymnastics Institute from 1899 to 1901 and the
Royal Swedish Army Staff College from 1902 to 1904. Virgin and captain
Viking Tamm as well as four other military officers (the lieutenants Nils Bouveng, Arne Thorburn, Gustaf Heüman and Anders Nyblom) entered together into the
Abyssinian service to organize the country's only military school for the training of Abyssinian officers. A Swedish military academy for cadets was established in
Holeta Genet under captain Tamm who, with his staff, stayed on in Abyssinia after the outbreak of the
Second Italo-Ethiopian War despite pressure by the Swedish government to return. Virgin, who in Abyssinia was called "the White Emperor" and "Italy's enemy No. 1"
Other work in 1934. Virgin was chairman of the Military Association K.H.S. from 1918 to 1923 and secretary of Military Literature Association (
Militärlitteraturföreningen) from 1914 to 1918. He was also an expert for the reorganization of the
Road and Waterway Construction Service Corps in 1924, for the drafting of war regulations for the Swedish Air Force in 1928 and chairman of the experts drafting the new field service regulations for the
Swedish Army in 1929. ==Personal life==