Vaux commanded them in these duties through the Somme, Arras, Passchendaele and the great German March Offensive in 1918. In April 1918 he contracted dysentery and was invalided home. His letters, confirm that 'Chancellor' his favourite hunter and the horse he had brought with him from his home in Yorkshire to the battles field of France, as his companion and war horse travelled back with him after 4 years of War. Chancellor, lived out the rest of his day in the fields of Brettanby Manor.