U.S. Air Force Master Sgt. Matthew Hourigan of the Kentucky Air National Guard’s 123rd Contingency Response Group installs leveling jacks on a mobile airfield operations center at Léopold Sédar Senghor International Airport in Dakar, Senegal, Oct. 17, 2014, in support of Operation United Assistance, the U.S. Agency for International Development-led, whole-of-government effort to respond to the Ebola outbreak in West Africa. The Airmen are operating an Intermediate Staging Base in Dakar to funnel humanitarian aid and military support equipment into affected areas, working in concert with Soldiers from the U.S. Army’s 689th Rapid Port Opening Element to staff a Joint Task Force-Port Opening. (U.S. Air National Guard photo by Maj. Dale Greer)