1934 Officer Commanding Military Families Hospital Hilsea.
1935–1937 Commanding Officer Louise Margaret Hospital Aldershot.
1937–1939 Specialist in Gynaecology BMH Rawalpindi, Murree and Lahore.
1939–1940 Commanding Officer BMH Rawalpindi.
21 Feb 1940 Promoted Colonel L/RAMC with seniority from 15 August 1937.
1940–1941 Assistant Director of Medical Services (ADMS) HQ Lahore District.
23 May 1941–Dec 1941 Director of Medical Services Army HQ Burma.
22 July–15 Dec 1941 Acting Brigadier L/RAMC.
1942–1946 Served in India.
1942–1944 ADMS HQ Sind District.
1944 Commanding Officer BMH Lucknow.
Mar 1944 Colonel E C Lang having completed four years in the rank, was retained on the Active List supernumerary to establishment.
1944–1946 Commanding Officer BMH Dalhousie.
1946–1948 President Standing Medical Board Southern Command.
20 Aug 1948 Retired to retired pay.
May 1949 Having exceeded the age limit of liability to recall, ceased to belong to the Regular Army Reserve of Officers.
Entry No: 809. Drew R. 1968. Commissioned Officers in the Medical Services of the British Army 1690–1960. Vol. II. Roll of Officers in the Royal Army Medical Corps 1898–1960, London: Wellcome Historical Medical Library.
Succession Books Vol XXIV, Returns of statement of service of RAMC Officers.