Face Of The Day

U.S. Air Force personnel put up tents to house a 25-bed hospital for sick Liberian health workers as part of Operation United Assistance in Monrovia, Liberia on October 9, 2014. U.S. President Barack Obama has committed up to 4,000 troops in West Africa to combat the Ebola epidemic, which has killed at least 3,400 people. By John Moore/Getty Images.