U.S. Navy Blue Angels fly over Chicago to salute health care workers (4)

A formation of the Blue Angels fly over Chicago, the United States, May 12, 2020. (Photo by Joel Lerner/Xinhua)

Nationwide, the squadron has been part of a series of an ongoing salute in the skies, and has toured several major U.S. cities including New York, Philadelphia, Washington D.C., Jacksonville and Miami.

A formation of the Blue Angels fly over Chicago, the United States, May 12, 2020. (Photo by Joel Lerner/Xinhua)

The U.S. state of Illinois reported 4,014 new cases of COVID-19 on Tuesday, a single-day record for the state and adding the total number of cases up to 83,021. Meanwhile, the state reported an additional 144 COVID-19 deaths on Tuesday, bringing the state's death toll to 3,601.