By: Syed Manzoor shah
The Strategic Mutual Defense Agreement (SMDA) signed between Saudi Arabia and Pakistan on September 17, 2025, marks a transformative moment in Asian and Middle Eastern geopolitics. This pact declares that “any aggression against either country shall be considered an aggression against both” and encompasses comprehensive military cooperation, including intelligence sharing, joint training, defense technology transfer, and potential nuclear deterrence alignment . The agreement formalizes a long-standing relationship that began with the 1951 Treaty of Friendship and deepened through Pakistani troop deployments in Saudi Arabia since the 1980s . The timing is strategically significant, coming just one week after Israel’s unprecedented attack on Doha, Qatar, which heightened security anxieties across the Gulf region .
This pact represents a fundamental realignment of security architectures, binding Saudi Arabia’s economic power with Pakistan’s nuclear capabilities at a time when traditional U.S. security guarantees are perceived as weakening. The agreement signals Saudi Arabia’s diversification of security partnerships amid concerns about U.S. reliability and escalating regional threats from Iran and Israel . For Pakistan, the pact provides crucial financial support (with over $6 billion in loans and deposits) and elevates its geopolitical status as the only nuclear-armed Muslim-majority nation .
2 Geopolitical Impacts on Major Powers
2.1 Implications for the West and U.S. Influence
Erosion of U.S. Hegemony: The pact represents a significant blow to American influence in the Gulf, where the U.S. has long served as primary security guarantor. Gulf states’ confidence in U.S. security commitments has deteriorated following Israel’s attack on Qatar (a U.S. ally hosting the largest U.S. air base in the region) and perceived U.S. inability to prevent attacks on allied territory . The agreement signals that Gulf states are pursuing alternative security architectures independent of Western guarantees.
Strategic Diversification: Saudi Arabia has actively sought strengthened security guarantees from Washington for years, including requests for mutual defense treaties and F-35 fighter jets that never materialized. The turn toward Pakistan represents a pragmatic hedging strategy amid concerns about U.S. unpredictability and shifting priorities . This diversification is particularly significant given Saudi Arabia’s historic reliance on U.S. military protection.
Nuclear Non-Proliferation Concerns: Western analysts express concern about potential nuclear dimensions of the pact, though the public agreement contains no explicit nuclear guarantees . Pakistan’s history of nuclear proliferation and its development of missiles capable of reaching targets across the Middle East (and potentially the U.S.) create non-proliferation challenges for Western policymakers .
Comparative Military Capabilities in the Region
Country Nuclear Warheads Ballistic Missile Range Key Military Partners
Pakistan 170 2,750 km (Shaheen-III) China, Saudi Arabia, Turkey
India 172 5,000+ km (Agni-V) US, Israel, France
Saudi Arabia 0 (civilian program) 2,500+ km (DF-21 acquired) Pakistan, US, China
Israel ~90 (undeclared) 6,500+ km (Jericho III) US, India
2.2 Implications for Israel and Regional Security
Enhanced Deterrence Against Israel: The pact explicitly serves as a double deterrence tool for Saudi Arabia, aimed at both Iran and Israel . Israeli officials have expressed particular concern about the agreement bringing a nuclear-armed power formally into the Middle Eastern security equation . Pakistan’s missile capabilities can reach targets across Israel, fundamentally altering the regional military balance .
Response to Israeli Actions: The timing of the agreement, coming just days after Israel’s attack on Qatar, suggests it serves as a direct response to Israel’s expanding military campaigns across the region