Among the many recently released UAP videos, one clip has drawn particular attention from Zhang Nan, a Beijing-based researcher who studies unidentified anomalous phenomena. The nearly five-minute recording was captured by a sky-facing US military infrared sensor over Florida in 2020 and is labelled “NAG UAP 1 Jun 20”.

The footage appears to show a human-shaped object remaining stationary for an extended period before suddenly reappearing at a distant point beyond the camera’s field of view. According to Zhang, if the movement represents a real physical displacement rather than a sensor malfunction or imaging artifact, its performance would be extraordinary. 

He said that AI-assisted assessments indicate the object may have experienced acceleration exceeding 600g, equivalent to roughly 600 times the force of Earth’s gravity.

Mysterious UAP could outperform any known aircraft

Zhang noted that the estimated acceleration would be unprecedented when compared with known aerospace capabilities. He explained that human pilots generally lose consciousness at around 12g, while even the most resilient drones are typically limited to roughly 30g. 

According to him, acceleration beyond 600g would far exceed the performance envelope of any publicly known aircraft or biological organism. At the same time, he cautioned against drawing firm conclusions. Because the object showed no visible propulsion system and appeared to alter its shape during movement, Zhang argued that the possibility of such extreme acceleration, while extraordinary, could not be entirely dismissed.

Despite viewing the newly released Pentagon UAP materials as more compelling than the blurry and limited imagery made public in previous years, Zhang argued that their scientific value remains constrained. He noted that the declassified collection consists largely of photographs and videos, with little accompanying radar, telemetry, or spectroscopic data that could enable more rigorous analysis, the South China Morning Post reported.

The Chinese analyst also noted that this lack of supporting technical information makes it difficult for researchers to draw meaningful conclusions about the observed phenomena. He suggested that the most valuable datasets may not have been included in the public release, adding that materials with greater research significance could still be being withheld by US authorities.

Pentagon’s UFO secrecy may be protecting military sensor technology

Zhang said withholding some UAP data helps protect sensitive military intelligence and prevents rivals from assessing US sensor capabilities. He described UAP research in the US as a well-funded field supported by both the military and public interest. In contrast, China has placed greater emphasis on the search for extraterrestrial intelligence, using the world’s largest radio telescope to look for potential signs of life beyond Earth.

Meanwhile, Chinese scientists are pursuing the search for extraterrestrial intelligence through the Five-hundred-metre Aperture Spherical Telescope (FAST). A team led by astrophysicist Zhang Tongjie of Beijing Normal University has been analysing promising cosmic signals selected from more than a million detections originally recorded by the former Arecibo Observatory in Puerto Rico. Over a three-year period, the researchers devoted 20 to 30 hours of telescope time to studying around 100 of the most promising signal candidates.

Although the data is still being analysed, Zhang Tongjie believes SETI remains one of the most promising approaches for detecting extraterrestrial life. He noted that the field is now driven largely by researchers in the US and China. 

According to Zhang, UAP investigations focus on objects or phenomena reportedly observed near Earth, whereas SETI takes a broader approach by searching for and analysing microwave signals that may be travelling across vast distances in space from potential extraterrestrial civilizations.

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