American forces intensified strikes against Iranian targets while framing the action as protection for commercial shipping through the Strait of Hormuz, the narrow waterway carrying roughly 20% of global crude supply. Iran's stated retaliation — missile fire directed at U.S. military installations in Qatar, Bahrain, and Kuwait — marks a significant expansion beyond proxy conflicts into direct strikes on Gulf Cooperation Council territory hosting American personnel.

Oil markets reacted immediately, with Brent crude climbing above $85 per barrel as traders priced in supply disruption risk. War-risk insurance premiums for tankers transiting the strait have surged, and several major shipping lines have rerouted vessels around the Cape of Good Hope, adding two weeks to Asia-Europe voyages. The U.S. Fifth Fleet in Bahrain coordinates naval patrols, but its proximity to Iranian missiles complicates deterrence calculus.

Gulf sovereign wealth funds, managing over $3 trillion in assets, face renewed pressure to hedge geopolitical exposure. QatarEnergy and Kuwait Petroleum Corp have activated contingency plans for LNG and crude export terminals. Credit default swaps for Bahrain and Kuwait widened 15-20 basis points, reflecting investor anxiety over fiscal stability amid potential infrastructure damage.

The critical variable remains whether Iran targets energy infrastructure directly or confines strikes to military bases. Previous attacks on Saudi Aramco facilities in 2019 cut 5% of global supply overnight. Strategic Petroleum Reserve releases by the U.S. and IEA partners would provide only temporary cushion; sustained closure of Hormuz would require coordinated naval intervention to reopen, a scenario neither Washington nor Tehran appears positioned to control.