a 'regiment' rather than a 'brigade'; this applied to TA field brigades from 1 November 1938. The TA was doubled in size after the Munich Crisis, and most regiments formed duplicates. Part of the reorganisation was that field regiments changed from four six-gun batteries to an establishment of two batteries, each of three four-gun troops. For the Pembroke & Cardigan regiment this resulted in the following organisation from 8 July 1939: 102nd (Pembroke & Cardiganshire) Field Regiment Regimental HQ at Pembroke Dock 405 (Pembroke Yeomanry) Field Battery at Pembroke Dock 406 (Pembroke Yeomanry) Field Battery at Haverfordwest 146th Field Regiment RHQ at Aberystwyth 407 (Cardiganshire) Field Battery at Aberystwyth 408 (Cardiganshire) Field Battery at Cardigan World War II Mobilisation and Home Defence When the TA was mobilised on 1 September, just ahead of the outbreak of World War II on 3 September, both regiments were assigned to 38th (Welsh) Infantry Division, the duplicate of 53rd (Welsh) Division that was being formed in Western Command. This new division became operational on 18 September 1939. Until 14 July 1940 the division was undergoing training in south-east Wales in Western Command. Then, after the British Expeditionary Force's evacuation from Dunkirk, III Corps HQ took over field command in Western Command, and 38th (W) Division was stationed around Liverpool. On 16 April 1941 the division moved to IV Corps defending invasion-threatened Sussex. 38th (W) Division was in corps reserve, behind the divisions guarding the coast. One of the lessons learned from the Battle of France was that the two-battery organisation did not work: field regiments were intended to support an infantry brigade of three battalions. As a result, they were reorganised into three 8-gun batteries, but it was not until late 1940 that the RA had enough trained battery staffs to carry out the reorganisation. 102nd (P&C) Field Rgt accordingly formed 473 Fd Bty on 24 March 1941 when the regiment was stationed at Ascot, Berkshire. By now RA field regiments had standardised on the modern 25-pounder gun in place of the prewar 18-pdr. On 1 December 1941 38th (W) Division was placed on a lower establishment; this meant that it was not going to be sent overseas for the foreseeable future, and it became a static coast defence formation in Dorset under V Corps. As the invasion threat receded, the lower establishment divisions became sources of units and drafts to reinforce the fighting