Airman 1st Class Sidney Conner, 28th Civil Engineer Squadron water and fuels technician, Airman 1st Class Melissa Waszkiewicz and Senior Airman Juan Valencia, 28th CES pest management technicians, pull out weeds from Gateway Lake at Ellsworth Air Force Base, S.D., June 24, 2015. Their efforts were part of a week-long project primarily focused on clearing weeds from all lakes on base to help protect animals and other plants that live in the area. (U.S. Air Force photo by Senior Airman Anania Tekurio/Released)