Daniel Dined, center, civil engineer, discusses drainage solutions with Maj. Gen. Gary Volesky, left, commander of Joint Forces Command – United Assistance, and Thomas ten Boers, project manager for Welt Hunger Hilfe, at the site of a new Ebola treatment unit being built in support of Operation United Assistance in Zwedru, Liberia, Dec. 10, 2014. United Assistance is a Department of Defense operation to provide command and control, logistics, training and engineering support to U.S. Agency for International Development-led efforts to contain the Ebola virus outbreak in West African nations. (U.S. Army Photo by Sgt. 1st Class Brien Vorhees, 55th Signal Company (Combat Camera) / Released)