The Defence Secretary has confirmed that the 14th Signal Regiment will leave their base at Cawdor Barracks in Brawdy, Pembrokeshire. The 600 military personnel will move to the former RAF St Athan site in the Vale of Glamorgan.
Phillip Hammond announced the changes as part of a major reorganisation of army bases in the UK.
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Any lingering showers will ease this evening, to leave a dry night with plenty of clear spells. Minimum temperature 11 deg C (52 deg F).
Blackwood mother Trudy Jones was on holiday when she was gunned down in the Tunisian beach massacre that claimed the lives of 30 Britons.
The pair, including a man in his 50s, were struck around midday on the Pen y Fan mountain range in Powys, mid-Wales.