According to WO Instruction No 181 of 16 December 1915, 96th Siege Battery was to be formed at Pembroke Dock by three officers and 78 other ranks (the establishment of a full company) drawn from the Glamorgan RGA.WO Instructions December 1915.Frederick, pp. 702–7. The battery actually formed on 1 January 1916 with three officers and 90 men from the Glamorgan RGA and 64 recruits from the Pembroke Dock RGA establishment, under the command of Major C.H.M. Sturgis.MacDonald, Pro Patria Mori, p. 172. It went out to the Western Front on 21 May 1916 and joined 19th Heavy Artillery Group in Third Army on 25 May, taking over four 9.2-inch howitzers in existing emplacements near Pommier from 62nd Siege Bty.'Allocation of Siege Batteries RGA', The National Archives (TNA), Kew, file WO 95/5494/4.MacDonald, Lack of Offensive Spirit, pp. 106, 172; Appendix 3.
