Sgt. 1st Class Eddie Valdueza, left, a San Diego, Calif.,

Sgt. 1st Class Eddie Valdueza, left, a San Diego, Calif., native and a senior medic for the 36th Engineer Brigade, hands over two bags of medical waste to Augustin Fallah, a lab aide at the Liberian Institute for Biomedical Research during an Operation United Assistance mission, Dec. 6, 2014, Monrovia, Liberia. Valdueza and his team would later receive a tour of an Ebloa testing lab operated by the U.S. Army Research Institute of Infectious Disease. 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)