Brigadier Philip Napier, the head of the Army in Wales, has been visiting cadets training at Sennybridge today.
He said described the deaths of two soldiers during a training exercise at the weekend as a "tragedy" and said although their personnel are "pushed and challenged," it should not have happened.
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Low cloud will bring murky conditions with extensive hill fog.
The team, which is manned by volunteers, will operate out of Pontardawe Fire Station in partnership with Mid and West Wales Fire Service.
Dan Biggar has no doubt that Wales remain flrmly in the Six Nations title mix ahead of next Saturday's clash against Scotland.