Royal Canadian Air Force Major-General Derek Joyce, Continental North American Aerospace Defense Command Region deputy commander, visits the 1st Fighter Wing Alert Facility at Joint Base Langley-Eustis, Virginia, Nov. 18, 2019. As a bi-national organization between the United States and Canada, NORAD is in charge of missions regarding aerospace warning and control for North America. (U.S. Air Force photo by Airman 1st Class Sarah Dowe)