Iran's Commander of the Revolutionary Guards:The Islamic Republic of Iran will give a harsh, painful, and unprecedented response to any aggression against the Strait of Hormuz and hostile entry into the Persian Gulf, and by breaking the naval blockade, will initiate serious countermeasures.One of Iran's strategic and warning options if this trend continues is the possibility of withdrawing from the Nuclear Non-Proliferation Treaty (NPT), which will have severe consequences for the opposing side.