By Mona Hojat Ansari

Iran drill downs bunker busters over Natanz

The maneuver comes after weeks of media frenzy over potential American attacks on Iranian nuclear sites

TEHRAN – Bunker busters are some of the most fearsome bombs used by militaries around the world. They are believed to be capable of penetrating underground facilities, tunnels, and complexes. But as Iranian defense systems downed projectiles mirroring the features of a hostile bunker buster on Tuesday, the event seemed surprisingly routine.