The 9th (Service) Battalion landed at Suvla Bay as part of the 33rd Brigade in the 11th (Northern) Division in August 1915; it was evacuated from Gallipoli to Egypt in December 1915 and then moved to France in July 1916 for service on the Western Front. The 10th (Service) Battalion landed at Boulogne-sur-Mer as part of the 51st Brigade in the 17th (Northern) Division in July 1915 also for service on the Western Front. The 11th (Service) Battalion landed at Boulogne-sur-Mer as part of the 70th Brigade in the 23rd Division in August 1915 before transferring to Italy in November 1917 and then to France in September 1918. The 12th (Service) Battalion (Pioneers) landed in France as pioneer battalion for the 24th Division in August 1915 for service on the Western Front. The 15th (Service) Battalion (Nottingham) landed in France as part of the 105th Brigade in the 35th Division in February 1916 also for service on the Western Front. The 16th (Service) Battalion (Chatsworth Rifles), which had been formed by the Duke of Devonshire, and the 17th (Service) Battalion (Welbeck Rangers), which had been formed by the Lord Mayor of Nottingham, both landed at Le Havre as part of the 117th Brigade in the 39th Division in March 1916 also for service on the Western Front. There were three other short-lived New Army battalions of the regiment: the 18th (Service) Battalion (a Bantam unit), the 19th (Reserve) Battalion and the 20th (Labour) Battalion.