The newly announced Mecca Joint Defence Agreement between Pakistan, Turkey and Saudi Arabia has faced its first serious challenge just days after being signed. Iran‑backed Houthi rebels struck an Aramco refinery in Jazan with a drone, sparking a fire that Saudi authorities later confirmed had been extinguished.

The attack was claimed by Houthi spokesman Yahya Saree, who said it was retaliation for Saudi drone operations over Saada and Hajjah governorates.

The incident occurred only 48 hours after Crown Prince Mohammed bin Salman, President Recep Tayyip Erdogan and Prime Minister Shehbaz Sharif signed the pact in Mecca. The agreement stipulates that an armed attack against any of the three signatories would be regarded as an attack against all.

Yet, following the strike, neither Pakistan nor Turkey announced any military response, raising doubts about how the collective‑defence arrangement would function in practice.

Analysts writing in the Jerusalem Post noted that while some commentary has portrayed the pact as the foundation of an “Islamic NATO” or even a Sunni alliance backed by a Pakistani nuclear umbrella, the actual provisions are far less automatic.

The summit statement emphasised collective deterrence and enhanced defence cooperation but did not specify operational commitments. Turkish Foreign Minister Hakan Fidan clarified that the clause was technically comparable to NATO’s Article 5, but stressed that any response would first require consultation to determine the scale of assistance. He also revealed that a ministerial committee and permanent secretariat would be based in Saudi Arabia.

This distinction between a defence commitment and a guaranteed military response is critical. The Jazan incident has highlighted that the pact provides a mechanism for consultation and coordination but has yet to demonstrate immediate action on the ground. The lack of visible military response has raised questions about the credibility of the alliance.

Saudi Arabia has prior experience with similar arrangements. In September 2025, Riyadh and Islamabad signed a defence pact after an Israeli strike in Doha. That agreement was supposed to bind each side to defend the other. However, when the United States and Israel launched strikes against Iran in February 2026, Pakistan did not intervene immediately despite Saudi Arabia invoking the pact.

Later, Pakistan deployed around 8,000 troops, 16 aircraft including JF‑17s, two drone squadrons and a Chinese HQ‑9 air‑defence battery. Pakistani personnel operated the systems while Saudi Arabia financed them. Sources described Pakistan’s role as largely advisory and focused on training.

Despite this deployment, Iran continued to target Saudi refineries and US aircraft at Prince Sultan Air Base, killing two civilians, while Pakistani forces remained in position without direct combat engagement. Islamabad simultaneously hosted talks between Washington and Tehran.

The latest Mecca agreement therefore appears to formalise a model where foreign military equipment and personnel can be stationed in Saudi Arabia with Riyadh footing the bill, but without obligating partners to engage in combat immediately.

The Jazan strike has provided an early test of this model, exposing potential weaknesses in the pact’s credibility and effectiveness. The alliance now faces scrutiny over whether it can evolve from a consultative framework into a truly operational collective‑defence mechanism.

ANI