200515-Z-FD650-1071.JPG by California National Guard Via Flickr: The United States Air Force Air Demonstration Squadron “Thunderbirds” fly over St. Joseph Hospital in Orange, California, May 15, 2020. The flyover is part of the America Strong nationwide salute by the military to honor medical professionals and other essential workers serving on the front line of the COVID-19 pandemic. (U.S. Air National Guard photo by Staff Sgt. Crystal Housman)