 Womersley returned to military service on 21 February 1940 when he was transferred from the Territorial Army Reserve of Officers to the Auxiliary Military Pioneer Corps.He served with the British Expeditionary Force up until the battle of France, receiving a mention in despatches "in recognition of distinguished services in connection with operations in the field March–June 1940" in December 1940.Womersley served in the Pioneer Corps throughout the war, but his career ended in disgrace when he was cashiered by sentence of a Field General Court Martial on 29 May 1945.