The criticism against Foreign Minister Javad Zarif appeared to be part of the broader political pushback by Iranian hard-liners against moderate President Hassan Rouhani's new administration.
The latest spat revolves around comments Zarif made last week to students at a Tehran university, where he said a U.S. military attack could paralyze Iran's defensive system.
Today, Guard chief Gen. Mohammad Ali Jafari dismissed Zarif's remarks, saying the foreign minister "has no expertise in the field of defense," and "his comments comparing the military power of Iran and the United States were incorrect." Speaking at another Tehran university, Jafari said the US could only destroy up to 20 per cent of Iran's missile capability if it bombs the country heavily, according to a report Tuesday by the semiofficial Fars news agency.