Trump's MOAB threat could put Iran's deepest bunkers in America's crosshairs

Take President Donald Trump’s threat on the MOAB seriously. The U.S. Air Force’s GBU-43 Massive Ordnance Air Blast weapon, nicknamed the "mother of all bombs," could figure prominently in any new airstrike plans targeting Iran.

"The mother of all bombs is not nuclear," Trump said. "This is just an extremely large bomb. It’s like a tiny nuclear bomb, but the mother of all bombs is one big bomb, but it’s not nuclear."

"I wouldn’t use nuclear. We don’t have to," Trump said.

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