Maj. Benjamin Qi, a Baton Rouge, La., native, and commander of the 61st Preventive Medical Detachment, inspects and tests the well water at the Gbediah Ebola Treatment Unit site during Operation United Assistance, Gbediah, Liberia, Dec. 18, 2014. Qi made sure the water didn't contain harmful bacteria so the Soldiers of 36th Engineer Brigade could use it to shower. 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)