The Houthis are testing the limits of Saudi restraint

The renewed escalation in Yemen is no longer simply a Yemeni battlefield development. For Saudi Arabia, it is becoming a direct test of national security, economic resilience and the kingdom’s ability to prevent the wider regional war from spilling further across its borders.

The latest Houthi attacks have demonstrated this clearly. Missiles and drones have hit civilian and economic sites in Abha, Khamis Mushait, Jizan and Najran, injuring dozens of civilians and causing fires and temporary disruption at energy facilities. The attacks came as fighting intensified in Yemen and around the western coast, while the Houthis continued to threaten maritime traffic in the Red Sea and Bab al-Mandeb.

Saudi Arabia therefore faces two interconnected threats: Attacks on its territory and attempts to disrupt the maritime routes on which regional and international trade depends.

This creates a difficult strategic equation for Riyadh. Saudi Arabia has spent the past several years trying to move away from direct military involvement in Yemen and towards diplomacy, de-escalation and support for a political settlement. A return to an open-ended war would contradict that strategy and impose unnecessary political and economic costs.

But restraint cannot mean accepting repeated attacks on Saudi territory.

The security challenge today differs considerably from the first years of the Yemen war.

Saudi Arabia has strengthened its air and missile defences, improved coordination between its military and security institutions and accumulated considerable experience in countering drones and ballistic missiles. It is therefore much better prepared to defend its territory than it was a decade ago.

The group possesses a combination of ballistic missiles, cruise missiles and increasingly sophisticated drones. Even when most incoming weapons are intercepted, relatively inexpensive systems can impose disproportionate defensive costs and create uncertainty around airports, industrial facilities, border communities and energy infrastructure.