He fought in the Second World War and Palestine Emergency, and was General Officer Commanding London District from 1957 to 1959.

Moore was appointed the inaugural Chief of Malaysian Armed Forces Staff from 1959 to 1965, a post he occupied during the final stages of the Malayan Emergency and early period of the Indonesia–Malaysia confrontation.

[4] Returning to the United Kingdom in 1948, Moore was Chief of Staff of London District until 1950, and then attended the Imperial Defence College.

Returning to the Middle East in 1955, Moore was General Officer Commanding (GOC) 1st Infantry Division.

[5] For his service in this role, Moore was appointed an honorary Commander of the Order of the Defender of the Realm by the Malayan government in 1961.