with its counterpart in the South Irish Horse (designated B Squadron) was assigned to the British Expeditionary Force. Both squadrons sailed from Dublin on the SS Architect on 17 August 1914. They were the first non-regular troops to land in France and be in action in the First World War. They were joined shortly afterwards by C Squadron of the North Irish Horse under the command of Major Lord Massereene and Ferrard DSO. Three more squadrons of the 'Horse' were to join the regiment in France landing on 2 May 1915, 17 November 1915 and 11 January 1916. A total of 70 officers and 1,931 men of the regiment went to war between 1914 and 1916. The North Irish Horse did not stay together as a unit, but squadrons were attached to different formations in the BEF as and when required: A Squadron – attached to GHQ until 4 January 1916, transferred to 55th (West Lancashire) Division. On 10 May 1916, along with D and E Squadrons, it was attached to VII Corps, forming the 1st North Irish Horse . Together they constituted VII Corps Cavalry Regiment. 1 NIH was transferred to XIX Corps in July 1917, and then to V Corps, September 1917. In March 1918, it was reroled as V (North Irish Horse) Corps Cyclist Battalion until the end of the war. B Squadron – was attached to the 59th (2nd North Midland) Division, August 1915. In June 1916, it formed, along with C Squadron and the Service Squadron of the 6th (Inniskilling) Dragoons, the 2nd North Irish Horse. This battalion was attached to X Corps until August 1917, then disbanded. The men were sent to be trained as infantry and more than 300 of them joined the 9th (Service) (North Irish Horse) Battalion, Royal Irish Fusiliers. C Squadron – moved to France on 22 August 1914 and was attached to GHQ before being detached to 5th Division as the divisional cavalry squadron to replace A Sqn of the 19th Hussars. On 14 April 1915, it was transferred to the 3rd Division, and in June 1916 was sent to join B Sqn in the 2nd North Irish Horse which was later disbanded. D Squadron – was attached to the 51st (Highland) Division in early 1915, but in June 1916 joined A Sqn in the 1st North Irish Horse. E Squadron – was attached to 34th Division as part