U.S. Air Force Master Sgt. Charles Wilding, an aerial porter from the Kentucky Air National Guard’s 123rd Contingency Response Group, tightens the chains on a pallet of cargo outside the Joint Operations Center at Léopold Sédar Senghor International Airport in Dakar, Senegal, Oct. 24, 2014. Wilding and more than 70 other Kentucky Air Guardsmen are operating an Aerial Port of Debarkation in Senegal to funnel humanitarian supplies and military support into West Africa as part of Operation United Assistance, the U.S. Agency for International Development-led, whole-of-government effort to contain the Ebola virus outbreak. (U.S. Air National Guard photo by Maj. Dale Greer)