Le Fleming was educated at Tonbridge School, where his father was an Army tutor, and joined Royal Military College, Sandhurst in September 1913.
[12] In December 1943 he was appointed an Officer of the Order of the British Empire for 'distinguished services in Persia and Iraq' as a temporary Brigadier, Indian Army.
[14] He was responsible for the implementation of Operation Curzon, the withdrawal of Indian and Pakistani regular army troops from Waziristan after independence on 14 August 1947, a file of his personal papers are held by the National Army Museum, London.
[15] In June 1947 he was appointed a Companion of the Order of the Bath as a Colonel (temporary Major-General), Indian Army.
[16] He retired from the Indian Army on 5 June 1948 a Colonel and was granted the honorary rank of Major-General.