Senior Airman Joshua Douglass, an aerospace medical technician, watches as health care workers properly put on their personal protective equipment in Buchanan City, Nov. 21, 2014. Douglass is a part of the mobile training team that travels throughout Liberia to remote areas to train health care workers about Ebola and how to work in an Ebola treatment unit. 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 Staff Sgt. Terrance D. Rhodes, Joint Forces Command – United Assistance Public Affairs/RELEASED)