U.S. Marines with SPMAGTF Crisis Response - Africa clean an MV-22B Osprey in accordance with Centers for Disease Control and Prevention cleaning and decontamination guidelines in Monrovia, Liberia, Dec. 2, 2014., It was critical to follow gear washing procedures closely before leaving the country after supporting Operation United Assistance (U.S. Marine Corps photo by Lance Cpl. Andre Dakis/SPMAGTF-CR-AF Combat Camera/Released)