A U.S. Air Force C-130 Hercules assigned to the 757th Airlift Squadron sprays for mosquitos over Joint Base Langley-Eustis, Va., Aug. 1, 2017. The C-130 is modified to carry a palletized Modular Aerial Spray System, which is attached to the spray bars fitted to the aircraft. (U.S. Air Force Photo/Staff Sgt. Carlin Leslie)