Saudi Arabia's Ministry of Defense announced Saturday that Pakistan had deployed fighter jets and support aircraft to the kingdom's King Abdulaziz Air Base in the Eastern Province. The move strengthens joint military coordination and operational readiness between the two nations under a strategic mutual defense agreement signed in September 2025.

The deployment includes a Pakistani Air Force contingent aimed at enhancing security amid recent regional tensions. Saudi officials stated the arrival supports broader efforts to promote stability at the regional and international levels. Some reports identified the fighter jets as F-16s, though official statements referred generally to fighter and support aircraft.

The action follows Iranian missile and drone strikes on Saudi energy infrastructure, including an attack on the Jubail petrochemicals complex earlier this week that killed a Saudi national. A senior Pakistani government official told Reuters the jets were sent to reassure Riyadh of Islamabad's commitment to defend the kingdom from further attacks but emphasized they were "not there to attack anyone."

Pakistan hosted direct negotiations between the United States and Iran in Islamabad on Saturday, seeking to solidify a fragile ceasefire after weeks of escalation triggered by the U.S.-Israeli killing of Iranian Supreme Leader Ali Khamenei on February 28. Iranian attacks have targeted Saudi bases and a U.S. embassy building in the Gulf, heightening concerns over potential Saudi retaliation that could derail peace efforts.

The mutual defense pact, inked by Pakistani Prime Minister Shehbaz Sharif and Saudi Crown Prince Mohammed bin Salman, commits both countries to treat aggression against one as an attack on both. It builds on decades of military and economic ties, including Saudi financial aid to Pakistan during economic crises, such as a $6 billion package in 2018.

Saudi Finance Minister Mohammed Al-Jadaan visited Islamabad on Friday to affirm economic support, coinciding with accelerated talks on a $5 billion Saudi investment package for Pakistan. Pakistani Foreign Minister Ishaq Dar had previously warned Iranian leaders of Islamabad's obligations under the pact, securing assurances that Saudi territory would not host attacks on Iran.

Security analysts view the deployment as symbolic signaling to Tehran amid the talks. "It's messaging Tehran to be flexible," said Imtiaz Gul, while Michael Kugelman of the Atlantic Council noted it underscores Pakistan's potential to invoke the pact if conflict resumes.

Neither the Pakistani nor the Saudi militaries issued further comments on the deployment's scale or duration.