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.
IRISL Group
The maritime fleet of the Islamic Republic of Iran Shipping Lines (IRISL Group) comprises 115 ocean-going vessels, with the total capacity of . The ownership structure of the fleet comprises 87 ocean-going vessels in IRISL and 28 different types of ships under the flag of subsidiaries, including Khazar Shipping, Valfajr as well as Iran-India Shipping Companies. They are manned by 6,000 Iranian personnel including shore staff, deck and engine officers as well as ratings, who work under the flag of the Islamic Republic of Iran in the Caspian Sea, Persian Gulf, international waters and various ports of the world.