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
Combined Joint Task Force – Horn of Africa and regional stability and security. Regional stability is increased through capacity-building operations such as civil affairs and military-to-military training; engineering and humanitarian support; medical, dental, and veterinarian civic action programs (MEDCAP, DENTCAP, VETCAP); security training for border and coastal areas; and counter-IED (C-IED) integration training. About 1,800 personnel from each branch of the U.S. military, civilian employees, and representatives from coalition and partner nations make up CJTF-HOA. CJTF-HOA was established at Camp Lejeune, North Carolina on October 19, 2002. In November 2002, personnel embarked to the region aboard USS "Mount Whitney" and arrived at the Horn of Africa on December