From 1912 to the outbreak of war on 4th August 1914 the number of Territorial Regiments encamped at Porthcawl during the summer months increased. Such activity throughout the UK suggests that the clouds of war were forming if not yet a certainty.
- 3rd Gloucester Battalion Special Reserve April 23rd-1st June (East of Newton Church.)
- Glamorgan Royal Horse Artillery 25th May-8th June (Nottage Fields)
- South Wales Mounted Brigade Field Ambulance - H.Q.Hereford. (attached to above.)
- Glamorgan Yeomanry local unit - July (Newton)
Within days of striking camp on the Friday morning the Regiment (600 officers and men) was ordered to proceed to Pembroke Dock to defend Milford Haven.
From August 4th 1914 the situation changed.