U.S. Air Force Airman 1st Class Caleb Berstler, 18th Operations Support Squadron airfield management operations coodrinator, looks for birds to scare off the runway Nov. 16, 2016, at Kadena Air Base, Japan. Birds will sometimes fly into the path of oncoming aircaft and either be struck or sucked into the engines. (U.S. Air Force photo by Airman 1st Class Corey M. Pettis/Released)