A C-130 Hercules Aircraft from the 757th Airlift Squadron, an Air Force Reserve unit from Youngstown, OH, conducts a dry run for the mosquito aerial spray over Joint Base Charleston - Weapons Station in Charleston, South Carolina, Sept. 11, 2015. Aerial spray flight proficiency training was also accomplished while providing a beneficial reduction in mosquito populations affecting the health and welfare of the people at Joint Base Charleston. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)

A C-130 Hercules Aircraft from the 757th Airlift Squadron, an Air Force Reserve unit from Youngstown, OH, conducts a dry run for the mosquito aerial spray over Joint Base Charleston - Weapons Station in Charleston, South Carolina, Sept. 11, 2015. Aerial spray flight proficiency training was also accomplished while providing a beneficial reduction in mosquito populations affecting the health and welfare of the people at Joint Base Charleston. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)

A C-130 Hercules Aircraft from the 757th Airlift Squadron, an Air Force Reserve unit from Youngstown, OH, conducts a dry run for the mosquito aerial spray over Joint Base Charleston - Weapons Station in Charleston, South Carolina, Sept. 11, 2015. Aerial spray flight proficiency training was also accomplished while providing a beneficial reduction in mosquito populations affecting the health and welfare of the people at Joint Base Charleston. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)