In one of the biggest overhauls in naval history, the aircraft carrier Charles de Gaulle, bastion of the sea and flagship of the French navy, was refitted and upgraded in a dry dock in Toulon, southern France. It's an enormous technical feat that kept thousands of experts and technicians on their toes night and day, racing against time and dealing with the unforeseen, and potentially catastrophic, problems. With never-before-seen images, superb 3D reconstructions, and interviews with experts, this fascinating documentary takes us into the belly of a unique, massive military ship to tell the story of a colossal task and a surprisingly…

In one of the biggest overhauls in naval history, the aircraft carrier Charles de Gaulle, bastion of the sea and flagship of the French navy, was refitted and upgraded in a dry dock in Toulon, southern France. It's an enormous technical feat that kept thousands of experts and technicians on their toes night and day, racing against time and dealing with the unforeseen, and potentially catastrophic, problems. With never-before-seen images, superb 3D reconstructions, and interviews with experts, this fascinating documentary takes us into the belly of a unique, massive military ship to tell the story of a colossal task and a surprisingly delicate operation.