Karaoke enthusiast John Hetlinger, a former Navy pilot and aerospace engineer who helped repair the Hubble Telescope, said appearing on the show "would be probably the high point of my life and my many careers." 

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Travelers walk around the baggage claim in the South Terminal at Hartsfield-Jackson Atlanta International Airport on Thursday, Nov. 6, 2025. Atlanta is among the airports where the FAA will reduce flights due to the shutdown, and airports are facing a shortage of air traffic controllers. 
(Miguel Martinez/ AJC)

Credit: Miguel Martinez-Jimenez