The official description
The United States Air Force submitted a report of an unidentified anomalous phenomenon to the All-domain Anomaly Resolution Office (AARO) consisting of 8 seconds of video footage from an infrared sensor aboard a U.S. military platform in 2019. 00:01-00:02: An area of contrast is visible near the center of the sensor field-of-view, partially obscured by visual elements of the heads-up display. 00:03-00:06: The sensor zooms and pans to track the area of contrast, which visually flickers in the display. 00:07-00:08: No content. AARO Comment: Infrared sensor systems capture information within a specific range of electromagnetic wavelengths.
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.