Andrew Lind, right, a San Mateo, Calif., native and a project coordinator for the International Organization for Migration, takes Soldiers of the 36th Engineer Brigade, out of Fort Hood, Texas, on a tour around the Ebola treatment unit after its grand opening, Buchanan, Liberia, Dec. 22, 2014, as part of Operation United Assistance. Lind showed the Soldiers the modifications that were made based off other ETUs. Operation United Assistance is a Department of Defense operation in Liberia to provide logistics, training and engineering support to U.S. Agency for International Development-led efforts to contain the Ebola virus outbreak in western Africa. (U.S. Army photo by Sgt. Ange Desinor 13th Public Affairs Detachment/RELEASED)