Anti-Terror Special Force

NOPO (Persian:نوپو‎‎; officially standing for Counter-terrorism Special Force (Persian:نیروی ویژه پاد وحشت‎‎), claimed to be an acronym for "Wilayat Guardian Special Force" (Persian:نیروی ویژه پاسدار ولایت‎‎) by reformist media in late 1990s, which was denied) is an Iranian special force acting under Amīr al-Mu'minīn Unit of Special Units Command of Law Enforcement Force of Islamic Republic of Iran.