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.
Oman
Since 1970, Oman has pursued a moderate foreign policy, and has expanded its diplomatic relations dramatically. Oman is among the very few Arab countries that have maintained friendly ties with Iran. WikiLeaks disclosed US diplomatic cables which state that Oman helped free British sailors captured by Iran's navy in 2007. The same cables also portray the Omani government as wishing to maintain cordial relations with Iran, and as having consistently resisted US diplomatic pressure to adopt a sterner stance. Yusuf bin Alawi bin Abdullah is the Sultanate's Minister Responsible for Foreign Affairs.