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National UFO Reporting Center Sighting Report
Occurred : 6/29/2020 12:52 (Entered as : 06/29/20 12:52)
Reported: 6/29/2020 10:39:32 AM 10:39
Posted: 7/3/2020
Location: Pine Mountain, GA
Shape: Unknown
Duration: 2.5 seconds
Characteristics: The object made a sound, Animals reacted to the event
High speed UAP sound in 2.5 seconds.

Bright sunshine, occasional cumulus clouds. Sitting under covered porch reading. Heard a startling abrupt sound of a low altitude missile-like object directly overhead and it quickly sped south. In the three porch steps it took to get a clear view it was gone. 2.5 seconds duration. No vapor trail. I have seen many high-speed low altitude flyovers of military jets, and I learned that the sound is not detected until the plane is overhead. This sound matches that characteristic except for a major difference. This object had a thin faint sound. The sound was like air rushing over a cylinder or fuselage. There were no engine sounds, no thundering afterburners, no loud rushing sound of a military jet. No doppler change. It was gone in about 2.5 seconds.

Never heard such a unique aerial sound as that before. My perception is its speed was hypersonic minus sonic booms. I have no air tank systems, no liquified gas tanks (venting).