U.S. and Liberian military personnel prepare to board a U.S. Marine Corps MV-22 Osprey aircraft in October 2014 after surveying the site of a future Ebola treatment unit near Barclayville, Liberia. The U.S. military forces in West Africa during the Ebola outbreak worked well with the civilian machinery running the response, Aylward said, adding that U.S. aircraft “came in real handy getting out to some of these remote areas.” (U.S. Army Africa photo by Pfc. Craig Philbrick)