The Middle East’s expanding conflict is putting Saudi Arabia’s energy infrastructure under growing pressure—and France is now preparing to step closer to the front line.

France is expected to contribute personnel and radar capabilities to help protect Saudi Arabia’s strategic energy infrastructure around Yanbu, the major Red Sea port where the kingdom’s East-West oil pipeline terminates. The move comes as the Iran-aligned Houthis have intensified missile and drone attacks against Saudi territory and energy facilities.

The danger is no longer theoretical.

On September 19, Saudi authorities said they intercepted a ballistic missile launched toward Riyadh while also reporting that Houthi attacks targeting infrastructure in Yanbu and other Saudi cities had been thwarted. The Houthis separately claimed to have attacked an Aramco facility in Yanbu.

That makes Yanbu an increasingly important defensive priority.

The East-West Pipeline is designed to move Saudi crude from fields in the Persian Gulf region to the Red Sea, allowing the kingdom to export oil without sending every barrel through the Strait of Hormuz. A September 13 drone attack damaged the pipeline and disrupted crude shipments through Yanbu, forcing Saudi Arabia to shift more exports toward its eastern terminals.

Saudi Arabia has therefore been fighting two problems at once: keeping its cities safe from incoming missiles and drones while protecting infrastructure that is critical to the global energy market.

France’s involvement would add another layer of air-defense capability.

French forces are expected to help secure the Yanbu area and the pipeline corridor, with radar among the capabilities being discussed. French officials have indicated that the mission would be defensive rather than an operation designed to directly fight the Houthis.

That distinction may prove difficult to maintain if an attack actually comes.

A radar system can identify an incoming threat. Troops can protect the installation. But if a missile or drone is heading toward an oil facility, someone still has to decide how to stop it.

Saudi Arabia has already sought assistance from several foreign partners as its stockpile of missile interceptors has come under pressure during the escalating conflict. France, Britain, Pakistan and Egypt have all been approached for defensive assistance.

The French deployment would therefore represent more than a symbolic gesture. It would put French personnel directly alongside Saudi infrastructure that the Houthis have demonstrated a willingness to target.

And the threat is expanding geographically.

Houthi forces have been pushing along Yemen’s Red Sea coast while attempting to consolidate strategic positions near major maritime routes. At the same time, attacks against Saudi cities and energy facilities have increased.

There is also the question of who is supplying and enabling the attacks.

Saudi Arabia has blamed Iraqi militias for the September pipeline strike, while Iran remains a major supporter of the Houthi movement. That creates a broader regional security problem in which drones launched from outside Yemen can threaten Saudi infrastructure hundreds of miles away.

For France, the challenge is therefore straightforward but serious: help protect Saudi energy infrastructure without becoming another direct combatant in an already expanding regional war.

Paris is also attempting to play a broader role in protecting Middle Eastern energy and shipping routes. France has been working with the United States on a possible international mission focused on restoring freedom of navigation through the Strait of Hormuz, another critical artery for global energy supplies.

And while jokes about the French military are hardly new, France does possess highly capable special-operations and conventional military forces. The French Foreign Legion, in particular, has a long history of expeditionary deployments—but there is currently no indication that Paris intends to send the Legion to Yanbu.

For now, the mission is about defense: radar, protection and deterrence.

But in a region where drones and missiles can turn a defensive deployment into a combat situation within minutes, the line between protecting an ally’s infrastructure and entering the fight may be thinner than anyone in Paris or Riyadh would like.