While the Middle East awaits a fateful decision by the U.S. president regarding a possible attack on the Islamic Republic, Donald Trump has once again spoken about the possibility of striking Iran’s nuclear facilities—especially the underground complex of Mount Kalang Gozla near Natanz—using heavy bombs known as “Mother of Bombs.”

Trump has also said that he does not anticipate deploying U.S. ground forces on Iranian soil.

Interview with Shayan Samei’i, a national security expert