The secret location of the French aircraft carrier discovered thanks to a fitness app

In the era of hyper-technological conflicts, states invest massive resources to ensure secrecy and camouflage for their strategic assets.

The French nuclear aircraft carrier Charles de Gaulle, designed as a floating fortress capable of moving discreetly to project power, is emblematic of this.

Yet, it was not a cyber attack from an adversarial state that compromised its sophisticated security bubble, but rather a 35-minute run tracked by a fitness app. The incident was revealed by Le Monde.

A French officer, identified as Arthur, decided to train on the flight deck of the aircraft carrier on March 13. Using a smartwatch connected to Strava, he recorded the route and shared it publicly, producing a map that made the exact coordinates of the unit visible.

The ship was located in the eastern Mediterranean, northwest of Cyprus and about 100 kilometers from the Turkish coast; a position later confirmed by commercial satellites.

The context makes the incident even more serious. The Charles de Gaulle was not engaged in a simple exercise: it was the centerpiece of a battle group deployed urgently in response to the escalation in the Middle East, exacerbated by the war with Iran.

As specified by the Ministry of Armed Forces, the naval group — which includes 20 fighters, two surveillance aircraft, and three helicopters — is on a "defensive" mission to protect French citizens and interests. The Armed Forces also acknowledged that such behavior "is not in accordance with current instructions", announcing appropriate countermeasures.

The case highlights the huge vulnerability introduced by consumer technology within hyper-protected environments. Strava, a platform with over 195 million users that utilizes the GPS of devices to monitor physical activity, has previously proven to be an unwitting intelligence tool.

It has made traceable the movements of the bodyguards of President Emmanuel Macron, the agents of the Secret Service protecting Joe Biden in 2024, and even the security personnel of Vladimir Putin in secret luxury properties.

This is not an isolated incident. In 2018, the U.S. military was forced to revise its procedures when Strava's global heatmap feature — which aggregates and visualizes users' public activities — highlighted layouts and patrol routes of top secret bases in various operational theaters.

Similar mechanisms have allowed external parties to track the movements of security personnel working in restricted facilities in Israel.

A situation that reveals a disturbing paradox: the wrist of a soldier that ends up sharing the location of an entire fleet with anyone who has a smartphone.