Mitchel Burcham, 633rd Civil Engineering Squadron Pest Management technician, picks up a mosquito at Langley Air Force Base, Va., June 18, 2015. The Pest Control technicians ensure there has been no recent evidence of the West Nile or Eastern equine encephalitis viruses among the mosquito samples at Langley. (U.S. Air Force photo by Airman 1st Class Devin S. Michaels/Released)