Yemeni forces aligned with the government backed by Saudi Arabia have suffered a significant defeat, allowing Iran-backed Houthi rebels to capture the strategic Red Sea port of Mocha and advance toward the Bab al-Mandeb Strait. This development marks a serious setback for Saudi Arabia, which has been involved in Yemen’s conflict since 2015 and is now confronting one of its most challenging crises in recent years.

The Houthis, a well-organized and ideologically motivated group controlling much of northern Yemen, have intensified their offensive through missile and drone attacks. Their recent gains followed the withdrawal of government-aligned fighters from Mocha, many of whom fled covertly or abandoned their weapons to avoid frontline combat. Fighters from the National Resistance Forces described escaping southwards toward safer government-controlled areas amid a breakdown in leadership and coordination.

Saudi Arabia has long supported anti-Houthi factions with arms, training, and financial backing, estimated to include up to 400,000 fighters. However, analysts highlight significant weaknesses within these forces, including poor intelligence sharing, lack of unity among competing groups, and inadequate communication systems. The coalition’s challenges were exacerbated earlier this year when a rift between Saudi Arabia and the United Arab Emirates led to the UAE’s withdrawal of remaining troops and the dissolution of the Southern Transition Council, a key southern fighting force.

The Houthis have managed to maintain cohesion and operational strength, partly through financial resources from Iranian support, taxation, customs fees, and illicit trade networks. They have also endured sustained international military pressure, including Saudi-led air campaigns and U.S. strikes targeting their Red Sea operations in response to attacks on commercial shipping. Despite this, they have consolidated control over coastal areas, pledging demands that include unrestricted access to ports and airports under their control, salary payments within their territories, and a share of Yemen’s oil revenues.

The Yemeni government, based in Aden, has attempted to reinforce its positions, but government-aligned fighters report feelings of betrayal as commanders retreated in the face of advancing Houthis. Some fighters surrendered or abandoned their weapons, while others sought refuge in safer provinces. Saudi Arabia has escalated airstrikes against Houthi positions, with over 300 strikes reported in the past week, aiming to halt the rebel advance.

This renewed violence threatens to destabilize a fragile ceasefire agreement reached in 2022 and risks deepening what the United Nations describes as the world’s worst man-made humanitarian crisis. Since the beginning of the month, more than 125,000 Yemenis have been displaced by the fighting, joining nearly five million others uprooted over years of conflict. Roughly half of the country’s 42 million population faces acute food insecurity, with overcrowded camps lacking basic services proliferating in southern provinces such as Aden, Lahj, and Taiz.

While some analysts believe it remains possible for Saudi-supported forces to repel the Houthis, the coalition faces stiff opposition from a stronger, better-entrenched adversary. One Yemen analyst noted that Saudi Arabia currently has limited viable options to reclaim lost territory without incurring further costs. The ongoing conflict is also intertwined with wider regional dynamics, as Iran leverages its alliance with the Houthis to maintain pressure on global energy markets amid its confrontation with the United States.

The situation underscores the complex and protracted nature of Yemen’s civil war, with no immediate resolution in sight as violence threatens to engulf more civilians and critical maritime routes in the Red Sea.