JOINT BASE MCGUIRE-DIX-LAKEHURST, N.J. --   The U.S. Air Force Thunderbirds and the U.S. Navy Blue Angels fly over Philadelphia during an America Strong flyover, April 28, 2020. The demonstration teams conducted flyovers in areas of New York, New Jersey and Pennsylvania to honor healthcare workers, first responders, and other essential personnel who are working on the front lines to combat COVID-19. (U.S. Air Force photo by Maj. Brian Wagner)