Horn of Africa periodic monsoon winds and irregular rainfall. Mean daily maximum temperatures range from , except at higher elevations along the eastern seaboard, where the effects of a cold offshore current can be felt. Somalia has only two permanent rivers, the Jubba and the Shabele, both of which begin in the Ethiopian Highlands. About 220 mammals are found in the Horn of Africa. Among threatened species of the region, there are several antelopes such as the beira, the dibatag, the silver dikdik and the Speke's gazelle. Other remarkable species include the Somali wild ass, the desert warthog, the hamadryas baboon, the Somali
Operation Enduring Freedom – Horn of Africa Joint Task Force – Horn of Africa (CJTF-HOA) is the primary (but not sole) military component assigned to accomplish the objectives of the mission. The naval component is the multinational Combined Task Force 150 (CTF-150) which operates under the direction of the United States Fifth Fleet. Both of these organizations have been historically part of United States Central Command. In February 2007, United States President George W. Bush announced the establishment of the United States Africa Command which took over all of the area of operations of CJTF-HOA in October 2008. CJTF-HOA consists of about 2,000 servicemen and women from