US military planes conducted a flypast over cities like New York and Philadelphia as a salutation to frontline workers battling the Covid-19 pandemic.
US Navy's Blue Angels and the Air Force's Thunderbirds flew in formation over the cities.
Visuals from inside the cockpits were released by the Department of Defense.
The United States of America has had over 9.8 lakh cases of Sars-Cov-2 coronavirus infection so far, and over 50 thousand related deaths, as per data provided by World Health Organisation.