fortified machine-gun posts. Order of battle During the war, the composition of the division was as follows: 137th (Staffordshire) Brigade 1/5th Battalion, South Staffordshire Regiment 1/6th Battalion, South Staffordshire Regiment 1/5th Battalion, Prince of Wales's (North Staffordshire Regiment) (disbanded January 1918) 1/6th Battalion, Prince of Wales's (North Staffordshire Regiment) 4th Battalion, King's Regiment (Liverpool) (from November to December 1915) 1/4th Battalion, Seaforth Highlanders (joined and left November 1915) 1/4th (City of London) Battalion, London Regiment (Royal Fusiliers) (joined and left November 1915) 137th Machine Gun Company, Machine Gun Corps (formed 7 March 1916, moved to 46th Battalion, Machine Gun Corps 28 February 1918) 137th Trench Mortar Battery (formed 2 March 1916) 138th (Lincoln and Leicester) Brigade 1/4th Battalion, Lincolnshire Regiment (left January 1918) 1/5th Battalion, Lincolnshire Regiment 1/4th Battalion, Leicestershire Regiment 1/5th Battalion, Leicestershire Regiment 138th Machine Gun Company, Machine Gun Corps (formed 22 February 1916, moved to 46th Battalion, Machine Gun Corps 28 February 1918) 138th Trench Mortar Battery (formed 2 March 1916) 139th (Sherwood Foresters) Brigade 1/5th Battalion, Sherwood Foresters 1/6th Battalion, Sherwood Foresters 1/7th Battalion, Sherwood Foresters (disbanded January 1918) 1/8th Battalion, Sherwood Foresters 1/4th Battalion, Black Watch (Royal Highland Regiment) (joined and left November 1915) 1/3rd (City of London) Battalion, London Regiment (Royal Fusiliers) (joined and left November 1915) 139th Machine Gun Company, Machine Gun Corps (formed 16 February 1916, moved to 46th Battalion, Machine Gun Corps 26 February 1918) 139th Trench Mortar Battery (formed 9 March 1916) Mounted Troops B Squadron, 1/1st Yorkshire Hussars (joined at Luton, left 5 May 1916) North Midland Cyclist Company, Army Cyclist Corps (formed 11 November 1914, left 9 May 1916) Artillery I North Midland Brigade, RFA (1st, 2nd, and 3rd Lincolnshire Batteries, and I North Midland Brigade Ammunition Column) (numbered CCXXX Bde on 13 May 1916) II North Midland Brigade, RFA (1st, 2nd, and 3rd Staffordshire Batteries, and II North Midland Brigade Ammunition Column) (numbered CCXXXI Bde on 13 May 1916) III North Midland Brigade, RFA (4th, 5th, and 6th Staffordshire Batteries, and III North Midland Brigade Ammunition Column) (numbered CCXXXII Bde on 13 May 1916; left 3 January 1917) IV North Midland (Howitzer) Brigade, RFA (1st and 2nd Derbyshire Batteries, and IV North Midland (H) Brigade Ammunition Column) (numbered CCXXXIII Bde on 13 May 1916; broken up 29 August 1916) North Midland (Staffordshire) Heavy Battery, Royal Garrison Artillery (until 18 April 1915) 46th Divisional Trench Mortar Brigade, RFA