The US military has brought out some of its heaviest bombs to target Iran's ability to threaten ships in the Strait of Hormuz. TEHRAN: The US military said Saturday (Mar 21) that Iran's ability to threaten the Strait of Hormuz has been "degraded" by the bombing this week of an underground facility where it stored cruise missiles and other weaponry. With Iran mostly closing off the Strait, the gateway for one-fifth of the world's oil, the US military has brought out some of the heaviest bombs in