Spc. David Marvin, communications specialist, 50th Expeditionary Signal Battalion, grounds signal equipment for validation in Monrovia, Liberia, Nov. 14, 2014. Upon validation of the incoming equipment, it will be sent out to JFC-UA remote areas of operation and will provide the communication necessary to accomplish their missions. 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. Dani Salvatore, Joint Forces Command – United Assistance Public Affairs/RELEASED)