The U.S. Air Force Thunderbirds and U.S. Navy Blue Angels flew in formation behind a KC-10 Extender assigned to Joint Base McGuire-Dix-Lakehurst, N.J., April 28, 2020. The demonstration teams flew over New York, New Jersey and Pennsylvania to honor thousands of healthcare workers, essential employees, military personnel and other first responders who are at the front lines of the battle against COVID-19. (U.S. Air Force photo by Chief Master Sgt. Christopher Ottenwess)