A tractor and its trailer filled with soil that surrounded a former jet fuel storage site, goes through a wheels decontamination area on Chièvres Air Base, in Chièvres, Belgium, June 20, 2014. The work is coordinated between the Corps of Engineers, the Environmental Division, Department of Public Works, United States Army Garrison Benelux, and the Belgian Ministry of Defense. (U.S. Army photo by Visual Information Specialist Pierre-Etienne Courtejoie/Released-License plate blurred)