U.S. Air Force Airman Stephen Taborn-Walker, 509th Operation Support Squadron Airfield Management operations coordinator, practices measuring the width of the runway at Whiteman Air Force Base, Missouri, Sept. 23, 2020. The width of the runway determines what kind of aircraft can divert to Whiteman AFB, in case of an emergency. (U.S. Air Force photo by Airman 1st Class Christina Carter)