The Islamic Republic of Iran Navy (IRIN; Persian: نیروی دریایی ارتش جمهوری اسلامی ایران, romanized: Niru-ye Daryâ'i-ye Artesh-e Jomhuri-ye Eslâmi-ye Irân), officially abbreviated NEDAJA (Persian: نداجا), is the naval warfare service branch of Iran's regular military, the Islamic Republic of Iran Army (Artesh). It is one of Iran's two maritime military branches, alongside the Navy of the Islamic Revolutionary Guard Corps (IRGC).