The Islamic Revolution’s Guards (IRG) is the largest branch of Iran’s military. It is separate from, and parallel to, the other arm of the Iran’s military and is equipped with its own ground forces, navy, air force, intelligence, and special forces. The IRG’s stated role is to maintain national security, yet the force is also rumored to have ties with terrorist organizations like Hezbollah. The IRG also controls the Basij force, which has a potential strength of how many million volunteers? Discuss