When Israeli jets launched a sweeping preemptive strike on Iran's nuclear infrastructure, the United States initially insisted its ally had acted alone. But in the days since, U.S. military movements and official rhetoric suggest a rapid and significant shift that aligns America more directly with Israel's goals in the region.

The U.S. military is positioning itself to potentially join Israel’s assault on Iran, as President Trump weighs direct action against Tehran to deal a permanent blow to its nuclear program. Trump on Tuesday urged residents of Tehran to flee and suggested he was weighing action against Iran,