Iran Begins Military Drill In Persian Gulf

"Iran began a massive air, land and sea exercise Thursday in the Persian Gulf aimed at showcasing the Islamic regime's military strength, state-run media reported.Dubbed the ""Great Prophet 5,"" the military maneuvers conducted by the Islamic Revolution Guards Corps fall on the 31st anniversary of the elite force and are designed to demonstrate new weapons systems.Defense Minister Brig. Gen. Ahmad Vahidi told Press TV that Iran plans to produce missile defense systems similar to the Russian S-300, an advanced surface-to-air system that can defend against aircraft, cruise missiles and ballistic missiles. ""All parts of the system have been domestically produced,"" Vahidi said.A U.S. military official told CNN that the United States has observed in recent days Iran was ""relocating surface and air assets"" for what appeared to be a major exercise. The official did not want to be identified because of the sensitivity of the issue."