Tim Christensen, 733d Civil Engineer Division integrated pest management coordinator, inspects a carbon dioxide and light trap at Magnolia Park at Fort Eustis, Va., July 13, 2016. Traps are placed around the installation and checked twice a week from April to October, in order to control and monitor the mosquito population on Fort Eustis. (U.S. Air Force photo by Staff Sgt. J.D. Strong II)