The 30,000 pound munition, equipped by the U.S. B-2 Spirit stealth bomber may be the only aerial bomb that can reach Iran's Fordow nuclear site.

As Iran remains undeterred by President Donald Trump’s calls for surrender in its conflict with Israel, the president is considering using a “bunker-buster” bomb to take out a critical Iranian nuclear facility.

As Israel's confrontation with Iran escalates, the American-made GBU-57 'bunker buster' bomb has drawn renewed attention as the only weapon capable of striking