A New York Air National Guard LC-130 "Skibird" assigned to the 109th Airlift Wing, taxis off of the flight line Feb. 28, 2020, at Joint Base Elmendorf-Richardson, Alaska, in support of U.S. Northern Command's Exercise Arctic Edge 2020. Arctic Edge is a biennial homeland defense exercise designed to provide high quality and effective training in the extreme cold-weather conditions found in Arctic environments. (U.S. Air Force photo by Senior Airman Xavier Navarro)