Defense Policy

Pentagon’s Secret Bunker-Buster Bomb Program Exposed: A 15-Year Hunt to Target Iran’s Nuclear Sites

By Economics Desk | June 26, 2025

After a decade and a half of secret development, the Pentagon deployed specialized bunker-buster bombs to cripple Iran’s nuclear program—raising questions about strategic foresight and intelligence accuracy.

In a revealing Pentagon briefing, Defense Secretary Pete Hegseth and Gen. Dan Caine detailed how the United States developed and deployed its powerful GBU-57 A/B Massive Ordnance Penetrator (MOP) bombs against Iranian nuclear facilities. This was no spur-of-the-moment action—it was backed by over 15 years of covert intelligence gathering, weapons design, and rigorous testing aimed specifically at Iran’s underground enrichment sites.The MOP bombs target deep, fortified installations like the Fordo facility nestled within mountainous terrain. U.S. intelligence first publicly acknowledged Fordo's existence in 2009, but classified briefings from that year revealed it as a major construction project requiring unparalleled precision...

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