From left, Lt. Col. Lee Hicks, Joint Forces Command – United Assistance division engineer, Sam Vigersky, a representative for the U.S. Agency for International Development, and 1st Lt. Nathaniel Zimmerly, a contracting officer attached to 62nd Headquarters Support Company, 36th Engineer Brigade, sign transfer paperwork for an Ebola treatment unit built in support of Operation United Assistance in Barclayville, Liberia Jan. 20, 2015. 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 Specialist Rashene Mincy, 55th Signal Company (Combat Camera/ Released)