British commandos undergo extreme survival training in Norwegian woodland
Ice cold killers: British commandos undergo extreme survival training in Norwegian woodland where temperatures can drop to -30C Pilots and aircrew were put through their paces during the extreme survival training at a Norwegian air base Aviators take part in range of courses as part of Exercise Clockwork, including dunking into freezing water The course, which has been running for 52 years, aims at equipping troops with essential survival skills