The Mecca Joint Defence Agreement brings together Saudi Arabia, with its economic resources; Turkey, with NATO’s second-largest military; and Pakistan, the world’s only Muslim nuclear power—so far. It clearly goes a step beyond previous efforts to forge Muslim, and specifically Sunni, strategic coalitions. Indeed, the shorthand STEP (Saudi Arabia, Turkey, Egypt, Pakistan) is already being used to describe the “Muslim NATO” envisioned by Ankara and Islamabad. It remains to be seen, however, whether Egypt—which must take into account not only its peace treaty with Israel but also its relations with other regional players, such as the UAE—will indeed join, as Turkey’s foreign minister has predicted. It is equally unclear whether this putative alliance will translate into a willingness or capability to provide military support to Saudi Arabia against Iran and the Houthis or to Pakistan against India.
Even with these caveats, the Mecca Pact represents a shift in regional alignments. It is a clear sign that the Saudi leadership has lost faith in the long-term American commitment to the region, pushing Riyadh toward a closer relationship with Turkey. It also indicates that Pakistan, possibly acting in some coordination with China, is willing to step in with the hope of cementing its longstanding relationship with Saudi Arabia and disrupting India’s plans for transport corridor from India to Europe (The India–Middle East–Europe Economic Corridor—IMEC). Although Israel is not explicitly mentioned, this alignment of forces represents a major long-term challenge for Jerusalem and requires a systemic Israeli effort, in conjunction with other interested parties, to dissuade Egypt and others from being drawn into a structure that would advance Erdoğan’s hegemonic ambitions in the region.
The Mecca Pact Compared with Past Coalitions
The defense pact signed in Saudi Arabia, which brings together a coalition of Muslim-majority countries, is not the first initiative of its kind. It recalls the Islamic Military Counter Terrorism Coalition (IMCTC), establishedin Riyadh in December 2015. The IMCTC eventually expanded to 43 member states, with a mandate to coordinate military capabilities, streamline operational readiness, and conduct joint training exercises. A closer examination of the institutional frameworks, however, shows that the Mecca Joint Defence Agreement,signed on August 7, 2026, is not simply a repackaged iteration of the IMCTC. Rather, it shifts the focus from counterterrorism—relevant when ISIL was ascendant—to a concrete trilateral mutual defense alliance forged in the context of the U.S. conflict with Iran.
The Mecca Joint Defence Agreement effectively supersedes these legacy security frameworks by consolidating a functional “Muslim NATO,” building on less formal arrangements proposed last year and on the continuing effort to include Egypt. The pact rests on existing bilateral military ties between Riyadh and Islamabad and between Islamabad and Ankara, but its real significance lies in its trilateral structure, which directly links Saudi Cron Prince Mohammed bin Salman and Recep Tayyip Erdoğan. This creates an ideological paradox: bin Salman, who has aggressively purged Muslim Brotherhood elements at home, is now partnering with the principal sponsor of the Ikhwan. Ultimately, however, the alliance is driven not by ideological alignment but by a shared imperative to establish collective deterrence against Iranian threats and hedge against the implicit “threat” posed by an aggressive Israeli military posture. Above all, it reflects a loss of faith in the American commitment to defend the region.
What Does the Pact Offer?
The Mecca Joint Defence Agreement lays the groundwork for institutionalized military cooperation and collective deterrence. It explicitly incorporates a mutual defense clause modeled on NATO’s landmark Article 5, stipulating that “an attack against one ally is considered as an attack against all allies.” This mechanism significantly strengthens each signatory’s deterrent posture while presumably fostering institutional trust within the alliance. The long-term ramifications for the United States’ ability to project power in the Middle East remain uncertain, but the pact clearly aims to provide an alternative framework whose partners collectively possess substantial geopolitical weight:
- Pakistan contributes a declared nuclear arsenal, delivery capabilities, a massive combat-hardened military recently tested against India with mixed results, and a critical eastern border with Iran.
- Saudi Arabia brings immense financial resources, a dominant position in global energy infrastructure, and vital maritime access along the Arabian Peninsula, although its military’s performance in the conflict in Yemen has been less than stellar.
- Turkey has NATO’s second-largest military, built to operate to alliance standards, and is developing an advanced defense-industrial base, notably in drone technology and naval assets. Together with Qatar, it also wields broad regional influence through its presence at key nodes, including the Red Sea, and its patronage of Muslim Brotherhood elements.
Taken together, these distinct strengths give the trilateral alliance considerable geopolitical weight, including the ability to project power and dictate terms—or at least set the agenda, as Pakistan successfully did in mediating between Iran and the United States—across the broader Middle East.
An Alliance That in Reality Equals Less Than Meets the Eye…
The pact’s long-term viability, however, depends on its ability to address active challenges facing its members, particularly gray-zone threats. In a region characterized by proxy warfare, state-backed nonstate actors often launch attacks under the cover of plausible deniability, steadily eroding traditional state-to-state deterrence. This strategic dilemma may resemble the evolution of U.S. Cold War posture. Following its initial nuclear monopoly, Washington adopted a maximalist stance, threatening total nuclear retaliation against any hostile act, major or minor. Because such an all-or-nothing threshold did not prove credible against low-intensity provocation, it steadily sapped U.S. deterrence, forcing an evolution toward proportional response frameworks.
Moreover, the divergent ideological orientations and threat perceptions held by each coalition partner are bound to directly impact the alliance’s reliability and cohesion. While Turkey identifies Greece and Cyprus as primary threats to strategic stability in the Eastern Mediterranean, neither Saudi Arabia nor Pakistan views these European actors through an adversarial lens Nor do Riyadh or Islamabad seek involvement in disputes beyond their immediate geopolitical spheres in which they bring no real influence to bear.
Similarly, Pakistan’s primary security posture remains centered on India, a state with which Riyadh maintains critical economic ties and has no desire for confrontation. Turkey may have angered India by providing Pakistan with munitions and drones, but in the event of renewed hostilities on the subcontinent, Ankara would be in little position to do much beyond that. Conversely, Saudi Arabia’s ongoing friction with the Houthis in Yemen, together with UAE-backed factional rivalries, risks dragging Turkey into localized conflicts with substate actors it has no strategic interest in confronting directly. Above all, despite the rhetoric, it remains difficult to envision Turkish involvement in military action against Iran. According to President Trump, Erdoğan threatened to join the war on Iran’s side if the Kurdish uprising had been set in motion. A Pakistani military initiative against Iran is equally difficult to envision, although the two countries have clashed in the past over mutual subversive activity in Baluchistan.
…And Yet Geopolitically Significant (From an Israeli Perspective)
Despite these questions about the partners’ actual willingness to act militarily, the pact’s geopolitical consequences—at least in terms of what it symbolizes—extend well beyond its immediate operational clauses:
- Disruption of Geographic Alignments (IMEC vs. Northern Axis): As noted above, this alignment directly threatens the viability of the U.S.-backed India–Middle East–Europe Economic Corridor (IMEC). By drawing Saudi Arabia away from the planned transit route through Israel, the pact appears intended to shift regional geoeconomic momentum toward a northern connectivity axis running through Syria and Turkey, thereby marginalizing Israel’s position as a regional logistics hub.
- Potential Expansion of the Security Framework: The stated intention to include Egypt creates serious strategic dilemmas for Jerusalem. Despite Turkish Foreign Minister Hakan Fidan’s public assurances that the pact is purely defensive, the prospect of Israel being surrounded by a consolidated bloc of revisionist regional powers significantly heightens Israeli defense concerns and security preferences across multiple fronts.
- Friction Along the Strategic Core of the Israeli-Egyptian Peace: Cairo’s potential integration into a security architecture alongside overtly anti-Israel actors threatens the fragile equilibrium underpinning Jerusalem-Cairo relations. Such an alignment risks reopening historical security vulnerabilities along Israel’s southern border and eroding the foundational assumptions of the 1979 Camp David peace framework.
- Subversion of the U.S. Regional Architecture and the Drive for Strategic Autonomy: Above all, the pact challenges Washington’s vision of a broad U.S.-led regional security umbrella encompassing Israel, the UAE and other Gulf states, Jordan, and possibly Lebanon. By decoupling themselves from American leverage and strategic oversight, the three partners signal a decisive shift toward indigenous, post-American crisis management and regional self-reliance.
Will It Last?
Ultimately, this emerging security architecture presents its founders—as well as other regional actors, including Israel—with a new and complex strategic calculus. While the pact seeks to establish collective deterrence, it simultaneously introduces significant systemic risk by linking the disparate external conflicts of Riyadh, Ankara, and Islamabad and forcing each partner to navigate theaters far beyond their traditional strategic priorities.
Crucially, however, the alliance alters the balance of great-power influence in the region. Saudi Arabia and Turkey will retain foundational security ties with the United States, while Pakistan remains a pivotal partner of China, leaving the pact’s long-term cohesion uncertain. The key question is whether this alignment will accelerate Saudi Arabia’s strategic detachment from Washington and whether Erdoğan can capitalize on the axis to project Turkish power across an expansive geopolitical arc stretching from the Sahel to the Indo-Pacific.
JISS Policy Papers are published through the generosity of the Greg Rosshandler Family.
