A Modular Aerial Spray System is prepared by technicians to receive insecticides at Joint Base Langley-Eustis, Va., Aug. 1, 2017. With support from the 757th Airlift Squadron, Langley Air Force Base senior leaders are ensuring disease transmitting species are not given the chance to impact U.S. Air Force Airmen’s ability to support the warfighting mission. (U.S. Air Force photo/Staff Sgt. Carlin Leslie)