From left, Spc. Ashley Worsley and Staff Sgt. Joshua Biggess, lab technicians with the 1st Area Medical Laboratory, discuss testing procedures with Brig. Gen. Frank Tate, deputy commander for Joint Forces Command – United Assistance, during a tour of a U.S. Army Ebola testing lab built in support of Operation United Assistance in Sanniquellie, Liberia, Jan. 23, 2015. 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)