A United Nations flag hangs in front of constantina wire on the Intermediate Staging Area in Dakar, Senegal, Nov. 21, 2014. The U.N. is one of the organizations conducting operations alongside the 21st Theater Sustainment Command’s Regional Support Element-United Assistance in support of the battle against the Ebola virus disease. (U.S. Army photo by Sgt. 1st Class Alexander Burnett, 21st TSC Public Affairs/Released)