"Undoubtedly, such ferocities won't get them anywhere". They command the Basij, a religious volunteer paramilitary force, and control Iran's missile programmes.
Tehran retaliated against Washington's decision by naming the United States Central Command (CENTCOM) as a terrorist organization and the U.S. government as a sponsor of terrorism. "It displays an ambition by proponents of confrontation with Iran to restrict Trump's deal-making instinct, and also to make it as hard as possible for the next USA president to engage with the Islamic Republic".
In a White House statement, he said he "is holding the Iranian regime accountable by targeting the primary entity that carries out its global campaign of terror".
Iran's main regional rival, Saudi Arabia, on Tuesday welcomed the United States move.
The IRGC commander dismissed Washington's decision and said the Guards would upgrade their military capabilities.
But he adds that many - including it seems some officials in the state department and the Pentagon - fear that this step could simply backfire as it could encourage the IRGC or its proxies to take action against USA personnel or other targets in places where they might be vulnerable, for example in Iraq.More news: Ever image of a black hole unveiled by EU-funded scientists
"You were afraid of IR1 centrifuges, today we unveiled IR6, and if you continue to walk down this road, you will see IR8 in the near future". The role played by IRGC's Quds Force in supplying Explosively Formed Penetrators (EFPs) or Improvised Explosive Devices (IEDs) to militants in Iraq was cited in 2015 as a key reason for USA policy makers to abandon the Iran nuclear deal.
Resolution 2231 of the Security Council, according to the nuclear agreement, prevents Iran from acquiring advanced centrifuges.
Co-signatories Britain, France and Germany are trying to salvage the nuclear deal and set up in January a mechanism to allow trade with Tehran and circumvent United States sanctions.
The interview was spotlighted by the Middle East Media Research Institute.
America's unilateral departure from the nuclear deal past year was perhaps the biggest indication that Washington is not interested in mending fences with Iran.
Lawmakers also chanted the infamous "Death to America" refrain that became synonymous with the 1979 revolution.
Parliament Speaker Ali Larijani also said the US decision shows Washington's "stupidity" and the "depth of its animosity" toward Iran.
The Iranian parliament passed a "double-urgency motion" on Tuesday to "strengthen the military force". Tehran is deploying its puppet politicians in Baghdad to campaign against the United States military presence in Iraq, and the IRGC probably already has plans for strikes against American forces as a means for upping the stakes.