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.
Islamic Republic of Iran Navy
In August 2000, Iran announced that it had launched its first domestically produced light submarine or swimmer delivery vehicle, named the Al-Sabiha 15 because of its 15 meters length, in an official ceremony at the Bandar Abbas naval base. In May 2005, Iran navy announced that it had launched its first Ghadir-class midget submarine and on 8 March 2006 announced that it had launched another submarine named "Nahang" (Persian: whale).