Horn of Africa complex pattern of interrelationships among the various groups. According to "Ethnologue", there are 10 individual languages spoken in Djibouti, 14 in Eritrea, 90 in Ethiopia, and 15 in Somalia. Most people in the Horn speak Afroasiatic languages of the Cushitic or Semitic branches. The former includes Oromo, spoken by the Oromo people in Ethiopia, and Somali, spoken by the Somali people in Somalia, Djibouti and Ethiopia; the latter includes Amharic, spoken by the Amhara people of Ethiopia, and Tigrinya spoken by the Tigrayan people of Eritrea and Ethiopia. Other Afroasiatic languages with a significant number of speakers include the Cushitic
Operation Enduring Freedom – Horn of Africa Horn of Africa, Gulf of Aden, Red Sea, North Arabian Sea and the Gulf of Oman. On 21 January 2006, , an "Arleigh Burke"-class destroyer, captured a vessel operating off the Somali coast whose crew were suspected of piracy. On 18 March 2006, , a "Ticonderoga"-class cruiser and , an "Arleigh Burke"-class destroyer, engaged pirate vessels after receiving fire from them. On 3 June 2007, , a landing ship dock, engaged pirates attacking a freighter, but failed to repel them. On 28 October 2007, the destroyer , opened fire on pirates who had captured a freighter and with other vessels