Ljung was born on 18 May 1918 in Jönköping, Sweden, the son of Per Ljung, an accountant, and his wife Martha (née Jensen). He passed studentexamen in 1937.[1]
Career
Military career
Ljung was commissioned as an officer in 1939.[1] He belonged to an officer course, which, due to the increasingly threatening world political situation, had a dramatic shortening of their education in order to join units and strengthen the Swedish preparedness.[2] Ljung was commissioned into the Jönköping-Kalmar Regiment (I 12) in Eksjö as second lieutenant in 1940 and then attended the Swedish School of Sport and Health Sciences in 1942 and was promoted to lieutenant the same year.[1] During the following years he held alternately troop, staff and teaching positions.[2] Ljung attended the Royal Swedish Army Staff College in 1948 and was promoted to captain the same year. Ljung then served in the General Staff Corps in 1950 and in 1955 he served as captain in the Northern Scanian Infantry Regiment (I 6) in Kristianstad. He was promoted to major in 1957 and served again in the General Staff Corps and as chief of staff of the I Military District in Kristianstad. In 1959 Ljung attended the Swedish National Defence College and in 1960 he was appointed head of the Organization Department of the Army Staff. A year later he was promoted to lieutenant colonel.[1] In 1963 he was promoted to colonel and was appointed head of Section I of the Army Staff.[3]
Ljung was a member of the board of the Central Federation for Voluntary Military Training (Centralförbundet för befälsutbildning) and the National Board of the Swedish Women's Voluntary Defence Organization (Lottaöverstyrelsen).[1] He was also a member of the Administration Board of the Swedish Armed Forces and the board of the Swedish National Defence Research Institute from 1966 to 1968.[5] Ljung was chairman of the Central Joint Consultation Board of the Swedish Armed Forces (Försvarets centrala företagsnämnd) from 1968 to 1974[5] and a member of the board of the Idun Society (Sällskapet Idun) from 1968 to 1990 and chairman of the same from 1981 to 1990.[5]
Ljugn was a member of the State Administration's Central Cooperation Council for Human Resources (Statsförvaltningens centrala samarbetsråd för personalfrågor) from 1969 to 1974[5] and of the Industrial Council of the Royal Swedish Academy of Engineering Sciences from 1974.[4] He was a member of the board of the Home Guard Fund (Hemvärnsfonden) from 1975[4] and vice chairman of the National Swedish Board of Economic Defence from 1975 to 1977.[5] Ljung was a member of the board of the County Council's Fund for Technology Procurement and Product Development (Landstingets fond för teknikupphandling och produktutveckling) from 1982.[6]
Personal life
In 1942 he married Inga-Maj Sjöholm (born 1918), the daughter of Ture Sjöholm and Gerda (née von Porat). He was the father of Per (born 1943) and Anders (born 1948).[1]