First Lt. Karl Knowlton, right, officer in charge of the Inland Cargo Transportation Company with the 101st Sustainment Brigade, Task Force Lifeliner, Joint Forces Command – United Assistance, briefs Brig. Gen. Frank Tate, left, deputy commanding general for support of Joint Forces Command – United Assistance, on the purpose of the wash rack at Buchanan, Liberia, Jan. 28, 2015. Soldiers deployed in support of OUA are required to wash military vehicles, preparing them for the arrival of a ship that will take the vehicles back to the U.S. 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 Spc. Rashene Mincy, 55th Signal Company (Combat Camera)/ Released)