https://nypost.com/2025/06/16/world-news/israel-might-need-americas-weapons-to-topple-irans-fordow-nuclear-fortress-expert/
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Iran's Fordow Fuel Enrichment Plant is a fortress built deep within the mountains — up to 300 feet underground.
That's out of reach of Israel's known munitions. Only America's 15-ton bunker-buster bomb, GBU-57A/B Massive Ordinance Penetrator, is thought to be capable of touching it..."