What Are 5,000-Pound ‘Bunker Busters’? US Deploys Munitions Against Iranian Missile Sites In Strait of Hormuz by NDTV Profits | March 18, 2026 1:29 pm | Latest Posts, Market, Trending News US forces struck Iranian coastal sites with 5,000-pound bunker busters to clear the Strait of Hormuz bottleneck. Amid retaliatory threats following the Supreme Leader’s death, Trump’s call for allied naval aid was rejected by Europe.