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Saudi Arabia Plans Yemen Offensive to Retake Bab el-Mandeb; 100,000+ Troops Could Mobilize

Saudi Arabia is preparing a military offensive against Houthi forces in Yemen, with operations expected to launch within weeks to retake control of the Bab el-Mandeb strait after Houthi advances last month. The assault could mobilize more than 100,000 Yemeni troops under Saudi command, supported by Saudi air strikes, with the US providing intelligence but not direct combat involvement.
AI synthesis, editor-reviewed · 4 sources · October 02, 2026
Photo: Defense News

The Houthi seizure of Bab el-Mandeb last month closed the only viable bypass to Hormuz just as Iran's blockade enforcement remains active. A Saudi offensive aimed at reversing that gain is not optional—it is the prerequisite for any negotiation, which means failure to retake the strait within 60-90 days forces either permanent dual-chokepoint closure or direct US intervention at scale.

The broader offensive option (Al-Bayda, Marib, Taiz, Al-Jawf) spreads Yemeni forces thin across four governorates and extends the campaign timeline; the narrow option (Bab el-Mandeb only) is faster but leaves Houthi depth intact. Riyadh's choice between them will signal whether it expects a 6-month campaign or a 12-month one.

WHY IT MATTERS

Riyadh has determined it cannot negotiate with the Houthis while they control Bab el-Mandeb—the southern Red Sea chokepoint now functioning as the primary alternative to the Hormuz strait, which remains effectively closed by the Iran conflict.

A Saudi-led ground offensive converts the Red Sea shipping crisis from a containment problem into an active kinetic campaign. The timing window—within a week to after the November US midterms—forces the incoming administration to immediately inherit either a successful Saudi push (which resets regional leverage) or a grinding Yemeni quagmire (which ties down Gulf capacity just as Iran remains operationally active). Watch whether US military advisors embed with Yemeni ground forces or remain in an intelligence-only posture; direct advising would signal Washington is betting on a quick victory.

WHAT THIS DOESN’T TELL US

What is the actual current Houthi force strength in the Bab el-Mandeb area, and have the Saudis conducted a capability assessment showing 100,000 Yemeni troops can dislodge them?

Sources: Defense News · Al-Monitor · gCaptain · Military Times
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