The official description
AARO assesses that this video, whose uploader-defined title is, “31 AUG 2020 [CALLSIGN] [CALLSIGN] Observes UAP,” is likely derived from an infrared sensor aboard a U.S. military platform operating within the United States Central Command area of responsibility in 2020. Video Duration: 00:04:58 Video Description: 00:00-01:21: No content. 01:22-01:55: An area of contrast enters the field-of-view in the upper left corner of the screen, transits the frame, and exits the bottom of the screen. 01:56-02:47: The sensor cycles its zoom level several times. An area of contrast becomes visible in the lower half of the screen. 02:48-03:08: Another area of contrast enters the field-of-view from the left side of the screen.
Quoted from the U.S. Department of War, PURSUE UAP releases. Read every file for this incident in Official files or at war.gov/UFO.