U.S. Marine Corps MV-22B Ospreys with SPMAGTF Crisis Response - Africa prepare to take off from a runway in Monrovia, Liberia, to deliver Thanksgiving meals to U.S. service members conducting Ebola relief operations in remote locations throughout the country while in support of Operation United Assistance, Nov. 27, 2014. 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. Marine Corps photo by Lance Cpl. Andre Dakis/SPMAGTF-CR-AF Combat Camera/Released)