The US-Israeli war on Iran may not yet be over but its ramifications for the region's security architecture are already being felt from Riyadh to Ankara and from Abu Dhabi to Cairo. Nearly every country in the Middle East has been adversely affected by the military and economic fallout — consequences that neither Washington nor its regional allies and partners had anticipated in their complexity or depth. Among the more sobering surprises were Iran’s strikes against Gulf neighbors, targeting military, energy and civilian infrastructure with alarming brazenness.