A soldier collapsed and died of heatstroke while being subjected to an informal Army punishment known as "beasting", a court has heard.
Pte Gavin Williams, 22, of Hengoed, Caerphilly, died at Lucknow Barracks in Tidworth, Wiltshire, on 3 July, 2006.
Sgt Russell Price, 45, Sgt Paul Blake, 37, and Cpl John Edwards, 32, who carried out the punishment, all deny the manslaughter of Pte Williams.
The jury was told the punishment was "exhausting physical activity".