[3] On 4 August 1914 it mobilised at Aldershot and was brought up to strength with reservists and drafts from other units; an Ammunition Column was also formed.
Henry Horne Hulton, Medical officer - Captain Patrick Sampson RAMC, Veterinary Officer - Lt. Robert Ferguson Stirling AVC, 15th Battery: Major Christopher Chevallier Barnes, Major Laurence Godman (vice Capt.
E. C. Anstey), Lt. Pierre Elliot Inchbald, 2nd Lt. Victor Walrond, 2nd Lt. Neil James Robert Wright 48th Battery: Maj Cosmo Gordon Stewart DSO, Capt.
William Cecil Holt Cree, Lt. Melvil Farrant, 2nd Lt. Anthony Chaworth-Musters, 2nd Lt. Archibald Charles Mark Walsh 36th Brigade Ammunition Column: Capt.
Robert Hadden Haining, Lt. Christopher Geldard, Lt. Percival Llewellyn Vining Warrant officers and senior NCOs on mobilisation included RSM Andrew Imlach (15982); 15th Battery - BSM Bert Avery (18958); BQMS Thomas Wallace Coles (30543); 48th Battery - BSM Arthur Frank Pilcher (11352); BQMS William Charles Smith (23664); 71st Battery - BSM David William Phillpotts (22245); BQMS Charles John Read (19995); 36th Brigade Ammunition Column - BSM Frederick Bradford (13922);