Senior Airman Marvin Varela, and Airman 1st Class Victoria Velazquez, 374th Public Health technicians, prepare a mosquito trap, Aug. 7, 2017, at Yokota Air Base, Japan. The trap lures mosquitos with a scented bait and uses a fan to suck them into the main chamber. (U.S. Air Force photo by Airman 1st Class Donald Hudson)