U.S. Navy Petty Officer 3rd Class Kalani Gaines, Naval Mobile Construction Battalion 5 builder and native of Oakland, Calif., uses a circular saw to cut through wooden boards, which will be used as support braces for tents, Sept. 9. Both the U.S. Army and Navy used their skills and manpower to construct numerous tents across Camp Lemonnier. The Combined Joint Task Force - Horn of Africa, under the command of U.S Africa Command, conducts civil and non-combatant military operations in East Africa aimed to strengthen defense capability and protect U.S. and coalition interests, promote regional stability and dissuade conflict.