Dr Nigel Paling is the scientific advisor with the Government's Defence Science and Technology Laboratory. He explains that this virtual simulation, with the live simulation at a training arena in France, allows them to gather data to help the Government decide how to invest in the army in future.
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It comes after a fire at the Grandy Industrial Estate this morning - the second in a matter of days.
Early showers clearing, becoming warmer.
The protest comes just a day after the Clinical Commissioning Group recommended the closure of four community hospitals in South Devon.