Johnston was commissioned as a second lieutenant into the Royal Army Medical Corps of the British Army as a lieutenant ( on probation ) on 25 October 1934 . His commission and rank were confirmed on 26 February 1935 . From 1935 to 1940 , he served in India . In 1935 , he assisted in the aftermath of the Quetta earthquake . He was promoted to captain on 25 October 1935 . From November 1936 to January 1937 , he served in the field during the second Waziristan campaign . On 1 January 1937 , his commission was backdated to 1 November 1933 and he was given seniority in his rank of captain from 1 November 1934
Quetta earthquake
1935 Quetta earthquake
James Johnston (British Army medical officer)