Not long ago, a Gulf state signing a regional defense pact that does not involve the US would have been seen in Washington as diplomatic theater — a reluctant hedge, even a strategic miscalculation, but nothing more. That era is coming to an end. On Friday, Saudi Arabia, Turkiye and Pakistan signed the Makkah Joint Defense Agreement, pledging that an attack on one is an attack on all. It brings together the Arab world’s only G20 economy, NATO’s second-largest army and the Muslim world’s only nuclear state through a unique defensive pact.

The Makkah Joint Defense Agreement, signed on Friday by Saudi Crown Prince and Prime Minister Mohammed bin Salman, Pakistani Prime Minister Shehbaz Sharif, and Turkish President…

The joint defense agreement signed at Al-Safa Palace in Makkah on Friday between Saudi Arabia, Turkey, and Pakistan was by no means a spur-of-the-moment...

Pakistan, Saudi Arabia, and Turkey signed a Nato-style mutual defence agreement in Mecca on August 7, declaring that "any armed attack against any one of the three states shall be…