After
passing out from Sandhurst, Oliver was
commissioned into the
Queen's Own Royal West Kent Regiment on 24 December 1920. After being promoted to
lieutenant on 24 December 1922, he became
adjutant of his regiment in 1927 and, after being promoted to
captain on 1 January 1931, went on to be an instructor at the
Army School of Physical Training at
Aldershot in 1931. He then went out to
India as a staff captain in 1936 and then became a
General Staff Officer (GSO) in 1937. He served in the
Second World War as a
lieutenant colonel on the staff of the Tactical School in 1940 before becoming a general staff officer at
Southern Command in 1940. After the war he became
commander 31st Independent Infantry Brigade, part of
British Army of the Rhine, from 1948 and Chief Army Instructor at the
Imperial Defence College from 1949. ==References==