ABC News:

As tensions with Iran have escalated over its nuclear program, the U.S. military this month posted pictures of a powerful bomb designed to penetrate deep into the earth and destroy underground facilities that could be used to enrich uranium.

The U.S. Air Force on May 2 released rare images of the weapon, the GBU-57, known as the “Massive Ordnance Penetrator.” Then it took the photos down — apparently because the photographs revealed sensitive details about the weapon’s composition and punch.

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