U.S. Navy Admiral Jon Greenert (center), U.S. Fleet Forces commander, is greeted by Rear Adm Philip Greene, commander CJTF HOA upon arrival for a visit of Camp Lemonier, Djibouti, Jan. 20. To the right is US ambassador to Djibouti, James Swan. Camp Lemonier is the hub of the Combined Joint Task Force, Horn of Africa, providing humanitarian relief, security and anti terrorism activities to the nations in the Horn of Africa.