 Rees has also been criticised for refusing to heed the advice of "Military Advisors" and "Alternate Military Advisors" from the Indian and Pakistani sides on the grounds that they were junior to him.Promoted to the permanent rank of major-general in 1947, Rees took the job as head of the Military Committee of the Indian Emergency Cabinet until he retired from the army in 1948.He was appointed a Deputy Lieutenant for Monmouthshire on 15 January 1955.