Airmen 1st Class Robert Sirvid (left) and Corey Turpin, 28th Civil Engineer Squadron pest management apprentices, check dippers for signs of mosquito larvae in a pool of water, May 14. The pest management shop checks all pools of water on base for mosquitoes during the warmer seasons to prevent them from maturing. (U.S. Air Force photo/Senior Airman Anthony Sanchelli)