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.
Iran
Having 11 climates out of the world's 13, Iran's climate is diverse, ranging from arid and semi-arid, to subtropical along the Caspian coast and the northern forests. On the northern edge of the country (the Caspian coastal plain), temperatures rarely fall below freezing and the area remains humid for the rest of the year. Summer temperatures rarely exceed . Annual precipitation is in the eastern part of the plain and more than in the western part. Gary Lewis, the United Nations Resident Coordinator for Iran, has said that "Water scarcity poses the most severe human security challenge in Iran today".