Miscalculations and Regional Tensions Drag Saudi Arabia Back into Yemen's War

Saudi Crown Prince Mohammed bin Salman envisioned turning his kingdom into a global hub for investment, tourism, and premier sporting events. However, the resurgence of the civil war in Yemen has brought drones and missiles crashing into Saudi cities, plunging the kingdom back into the regional instability it sought to avoid.

After a relative lull, the conflict in Yemen escalated sharply this summer and intensified last month. For 11 years, Saudi Arabia has attempted to manage the border threat through military engagement and diplomacy, initially fighting the Iran-allied Houthi group before shifting toward peace talks and restoring diplomatic ties with Iran.

Despite these efforts, analysts point to a series of critical miscalculations that have left Riyadh vulnerable. These include ending its long-standing partnership with the UAE over rival factions in Yemen, miscalculating President Donald Trump’s willingness to intervene, and struggling to unify fragmented armed factions.

The fallout has strained Prince Mohammed's ambitious transformation plans, leading to canceled major projects, targeted oil infrastructure, and disruptions to cultural and financial events. Following Houthi strikes on Saudi airports, which killed at least three people including a pilot, the kingdom launched the "Yemen’s Dawn" military campaign to push back against the rebels.

The breakdown of the alliance with the UAE last year left Riyadh to face the crisis largely unassisted, creating a leadership vacuum in southern Yemen that the Saudis failed to efficiently fill. Compounding these challenges, the subsequent US-Israel war on Iran and the killing of Ayatollah Ali Khamenei drew the region into deeper turmoil.

As regional tensions mounted, an Iranian commercial flight defied the Saudi air blockade to transport a Houthi delegation to Tehran. Riyadh's interception of the plane prompted the Houthis to declare the truce void, launch a naval blockade, and seize strategic territory along Yemen's coast while striking Saudi oil facilities.

Relying on expected US backing also proved problematic. President Trump declined to intervene militarily, choosing instead to pursue separate talks with the Houthis to protect American vessels in the Red Sea, leaving Riyadh feeling exposed and uncertain of Washington's commitments.

In response, Saudi Arabia has sought broader international and regional alliances, engaging with Egypt, France, the UK, Turkey, and Pakistan, while coordinating defense measures through the Mecca Joint Defense Agreement. While these steps and renewed cooperation with UAE-backed forces offer tactical support, experts warn that deep-seated factional divisions and the ongoing US-Iran standoff mean a lasting political solution in Yemen remains elusive.