Career
In 1944, he retired and the following year he renounced his surname for Tremayne, thus becoming Sir John Tremayne Tremayne. Babington was commissioned as a Midshipman in the Royal Navy in 1908. He participated in the air raid on the Friedrichshaven Airship Factory, Germany on 21 November 1914.
On 2 January 1920, Babington was removed from the Navy List and awarded a permanent commission in the Royal Air Force.
He was appointed Station Commander at Royal Air Force Gosport in 1927 and went on to be a Station Commander in Iraq in January 1929 before becoming British Air Representative to the League of Nations in November 1929. He became Station Commander of Royal Air Force Halton and Commandant, Number.
1 School of Technical Training in 1934, Air Officer Commanding Number. 24 Group in 1936 and Air Officer Commanding, Royal Air Force Far East Command in 1938.
He served in World World War II as Air Officer Commanding-in-Chief Technical Training Command and then Head of Royal Air Force Mission in Moscow before retiring in 1944.
In retirement served as High Sheriff of Cornwall.