At the head of this formation, he participated in heavy fighting throughout the year, earning two Bars to his DSO and being wounded twice more. On 17 December 1917, Asquith was badly wounded forcing his evacuation to Britain. Despite extensive surgery, his leg was amputated in January 1918, forcing his retirement from the military with the rank of brigadier general. He then served the remainder of the war with the Ministry of Munitions, in the Controller of the Trench Warfare Department. Asquith retired from the Navy following the end of the war to his home Clovelly Court, Devon. Following the end of the war, Asquith chaired the committee which established the Royal Naval Division War Memorial outside the Admiralty building in London. In the Directory of Directors for 1935, the Hon Arthur M Asquith of 1 London Wall Buildings EC2 is listed as chairman of Brazil Plantations Syndicate Ltd, chairman of Parana Plantations Ltd and a director of San Paulo (Brazilian) Railway Co Ltd.  Asquith came across many risk factors throughout his military career and eventually died of Hodgkin Lymphoma at Clovelly Court, Devon on 25 August 1939.