Horn of Africa displays the greatest diversity, a sign often viewed to represent a geographic origin. The Horn of Africa is also the place where the haplogroup E1b1b originated from, Christopher Ehret and Shomarka Keita have suggested that the geography of the E1b1b lineage coincides with the distribution of the Afroasiatic languages. Genetic analysis done on the Afroasiatic speaking population further found that a pre-agricultural back-to-Africa migration into the Horn of Africa occurred through Egypt 23,000 years ago and it brought a non-African ancestry dubbed Ethio-Somali in the region. Together with northern Somalia, Djibouti, the Red Sea coast of Sudan and Eritrea is
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