Eleanor Danby 
Within the same four weeks, three regions rewrote their security logic. Saudi Arabia, Turkey and Pakistan signed a mutual-defence pact in Mecca. In India, commentators pressed the government to formalise a doctrine shift already visible on the battlefield. And in Australia, analysts at the Australian Strategic Policy Institute's Strategist proposed using ANZUS's anniversary to lock in new bilateral defence guidelines with Washington. All of them reached the same conclusion: the guarantees they grew up with can no longer be assumed to hold.
The Gulf hedges against its own protector
The Mecca Joint Defence Agreement, per JINSA's analysis, commits Saudi Arabia, Turkey and Pakistan to treat an attack on one as an attack on all three. A senior Saudi official told Reuters, as cited by JINSA, that the kingdom was bracing for attacks from Iranian proxies in Yemen and Iraq — the immediate trigger. The deeper driver, according to GlobalSecurity.org's reporting, is that the Iran war exposed how exposed Gulf states are to missile and drone strikes even with a US security umbrella overhead, pushing them toward more autonomous arrangements and deeper defence-industrial ties between Saudi Arabia and Turkish and Pakistani suppliers.
JINSA's own history of the idea is a caution against reading too much into the signing ceremony: the Arab League's 1950 Treaty of Joint Defense produced a Joint Defense Council that never functioned in the 1967 war, the 1964 United Arab Command proved hollow when Israel struck the West Bank in 1966, and Egyptian proposals for a unified Arab force collapsed at Sharm el-Sheikh in 2015 and again at Doha in 2025. The pattern, that analysis argues, is signalling dressed as commitment. What's different this time is the trigger — a war that hit Gulf soil directly, rather than a threat assessed from a distance.
India trades restraint for proactive deterrence
India's shift is doctrinal rather than diplomatic. Operation Sindoor — precision strikes on nine locations in Pakistan and Pakistan-administered Kashmir, described by Indian commentary as the country's most consequential use of force in decades, per the Tribune India — marked a break from the strategic-restraint posture New Delhi held toward Pakistan for decades. Analysts now describe the emerging approach as Proactive Deterrence built on Calibrated Coercive Capability, blending deterrence by denial with deterrence by punishment.
The same reassessment is reaching the nuclear level. Commentary tracked by ThePrint argues that the language of India's 2003 nuclear doctrine cannot drift unexamined into 2026, as AI-assisted tracking and hypersonic weapons erode the assumptions behind assured retaliation. The through-line with the Gulf pact is the same: a security posture built for an earlier threat environment is being explicitly abandoned rather than quietly patched.
Canberra wants its old guarantee in writing
Australia's move looks different on the surface — it isn't hedging away from an ally, it's trying to pin one down. ANZUS was signed on the strength of Cold War assumptions that, by design, were never spelled out in operational detail. The Strategist's proposal is for the US and Australia to adopt formal bilateral Defence Guidelines that translate a general treaty commitment into a more credible, coherent deterrence architecture — consistent with Australia's National Defence Strategy, which has elevated deterrence to the country's primary strategic objective rather than one goal among several.
That an ally as close as Australia feels the need to formalise what was previously left ambiguous is itself a data point: informal trust in inherited guarantees is being replaced with a preference for written specificity.
Why no rival order is emerging
The same week, the Shanghai Cooperation Organisation held a summit bringing together Xi Jinping, Vladimir Putin and Narendra Modi — a display of high-level Eurasian diplomacy that might look like the alternative bloc these hedging states are drifting toward. Geopolitical Futures argues otherwise: China, Russia, India and Turkey are too constrained and internally divided to replace the order the United States built. Eurasia, per that analysis, is instead undergoing a chaotic decoupling from Russian-centric infrastructure and a scramble for what it calls "sovereign connectivity" — every power protecting its own access, not building shared architecture.
The response is not consolidation into a new bloc. It is parallel, uncoordinated self-reliance.
A month of doctrine rewrites
- 1 Sep 1951ANZUS treaty signed in San Francisco by Australia, New Zealand and the United States.
- 7 Aug 2026Saudi Arabia, Turkey and Pakistan sign the Mecca Joint Defence Agreement, per JINSA.
- 31 Aug–1 Sep 2026Shanghai Cooperation Organisation summit brings together Xi, Putin and Modi, per Geopolitical Futures.
- 1 Sep 2026ANZUS turns 75; ASPI's Strategist proposes formal bilateral Defence Guidelines with Washington.
What to watch
- Whether the Mecca Joint Defence Agreement gains additional Gulf signatories or stalls like its predecessors, per JINSA's account.
- Whether India codifies Proactive Deterrence in a revised nuclear doctrine document, or leaves it as declaratory posture without formal text, per ThePrint's tracking.
- Whether Washington and Canberra actually negotiate the bilateral Defence Guidelines the Strategist proposes, or the anniversary passes without a concrete instrument.
