Pilots and aircrew from the Joint Helicopter Command are being put through their paces in the icy terrain as part of Operation Clockwork at the Royal Norwegian Air Force base.
Britain's Commandos preparing for NATO's biggest Arctic exercise in a generation plymouthherald.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from plymouthherald.co.uk Daily Mail and Mail on Sunday newspapers.
Plymouth's Royal Marines helped Norwegian authorities find missing hikers deep inside Arctic Circle plymouthherald.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from plymouthherald.co.uk Daily Mail and Mail on Sunday newspapers.