Similar to this incident:
Lt. Cmdr. Alex Dietrich (Ret.) describes encounter with ‘Tic Tac’ shaped unidentified flying object on PBS News Hour – July 2021
Most likely a solar balloon?
UPDATE: This video has been debunked :(. See original unmodified footage here:
Interview with a Special Agent for Counter-Intelligence for the Air Force Office of Special Investigations (AFOSI)
You can find a detailed analysis of this incident here: http://turkeyufocase.blogspot.com/2013/02/multiple-reasons-suggest-turkey-ufo-was.html
Transcript & soundtrack below: https://m.aenigmatis.com/nellis-ufo-video/transcript.htm