Spying and sabotage in the North Sea

Russia has sent a fleet of ships, pretending to be fishing trawlers, to size up our wind farms and power cables for possible attacks according to a new documentary.Professor Michael Clarke explains how the UK is already ramping up its military capabilities to track and deter this kind of Russian activity.An Iraq veteran gives us his verdict on the new book ‘How To Fight a War’ – and its author Dr Mike Martin explains why he thinks lethal violence is just communication your enemy can’t ignore. And we scroll through the new interactive map which shows where British forces are most busy in Europe, and the different defence ties we have with our near neighbours.