Islamic Republic of Iran Navy
It is charged with the responsibility of forming Iran's first line of defense in the Gulf of Oman and beyond with the mission of acting as an effective blue-water navy. However, it is generally considered as a conventional green-water navy as it mostly operates at a regional level, in the Persian Gulf and Gulf of Oman but also as far afield as the Red Sea, the Mediterranean Sea and northwest quarter of the Indian Ocean. In July 2016, the Navy said that it would establish a presence in the Atlantic Ocean, of unspecified duration.
Ashuradeh
Ashūradeh (), or Ashur Ada, is the only island of the Iranian coast of the Caspian Sea (Gorgan Bay). Ashuradeh's surface is .
It is located on the eastern end of the Miankaleh peninsula in the county of Behshahr of Māzandarān Province of Iran, from Bandar Torkaman and from Gorgan.