 In August 1914 it mobilised and in September was sent to the Continent with the British Expeditionary Force, where it saw service with 6th Division until broken up.86th Battery was withdrawn in May 1915, and assigned to 127th (Howitzer) Brigade.In May 1916, the artillery brigades of infantry divisions were reorganised; the pure howitzer brigades were disbanded, and their batteries attached individually to field brigades, in order to produce mixed brigades of three field batteries and one howitzer battery.