Service members deployed in support of Operation United Assistance wait in line at Roberts International Airport, located outside Monrovia, Liberia, prior to boarding their plane headed to the U.S. Feb. 17, 2015. As the mission in Liberia comes to an end, service members steadily redeploy back home. Operation United Assistance is a Department of Defense operation in Liberia to provide logistics, medical training and engineering support to U.S. Agency for the International Development-led efforts to contain the Ebola virus outbreak in western Africa. (U.S. Army photo by Sgt. Jose Ramirez, 1st Combat Aviation Brigade, 1st Armored Division Public Affairs/RELEASED)