US Navy sent two destroyers through the Strait of Hormuz, prompting a "last warning" from Iran's IRGC.
The waterway carries roughly 20% of global liquid energy, adding a "Hormuz premium" to oil prices.
JD Vance and Iranian officials held Islamabad talks focusing on a two‑week ceasefire and possible strait reopening.
US delegation, including Jared Kushner and Steve Witkoff, must balance lower oil price needs with long‑term nuclear restrictions on Iran.