RAF Sea King helicopter takes off from near Pen Y Fan in the Brecon Beacons

A Sea King helicopter performing training exercises on Pen-Y-Fan in the Brecon Beacons on a hot summers day, June 7, 2015. An inquest into the deaths of three soldiers after a training exercise in the Brecon Beacons in Powys is due to continue today. L/Cpl Craig Roberts, 24, of Penrhyn Bay, Conwy, and L/Cpl Edward Maher, 31, died on 13 July 2013. Cpl James Dunsby, from Bath, died later in hospital. A decision not to bring criminal charges over their deaths was upheld earlier this year. The inquest will continue in Solihull, West Midlands, on Monday. In 2014, a pre-inquest hearing was told the soldiers died from overheating. They had been taking part in a 40-mile (64km) hike on Pen y Fan as part of a four-week trial for the Territorial Army's SAS reservists. It took place on one of the hottest days of the year, when temperatures reached 29.5C (85F). The Crown Prosecution Service (CPS) decided not to bring gross negligence manslaughter charges, in July 2014.