Defence Secretary Philip Hammond told ITV News it was not for him to judge whether Sgt Danny Nightingale should have been sent to prison.
He added that the Court of Appeal "acted swiftly" in this case which showed the system was "robust".
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A much improved day across the UK. Rain spreads in through this evening and overnight with the heaviest bursts across western Scotland.
Risk of localised flooding across some western areas with snow melt/heavy rain.
The US government shutdown has entered its third day as the Senate deadlock continues.