https://www.coasttocoastam.com/article/video-mysterious-triangular-aircraft-filmed-near-area-51 This seems more like human copied or ET immitation technology. Which would make sense if reverse engineering is sometimes a limited process.
https://theaviationist.com/2026/01/18/dorito-shaped-aircraft-spotted-near-area-51
The "real" ET tech vehicles can move around without causing a contrail, no sonic booms and can also go very fast underwater, as if there is no resistance.
In a way, the Flying_wing and the Avro_VZ-9_Avrocar (disk) are examples of the cargo-cult mentality.
https://metarationality.com/upgrade-your-cargo-cult
While there can be several POVs on this, the original meaning has some astounding implications.
https://www.notechmagazine.com/2015/04/cargo-cults.html
Since the ET tech might not easily be reversengeered, imitation vehicles would likely be the result.
https://business-digest.eu/are-you-guilty-of-cargo-cult-thinking-without-even-knowing-it/?lang=en
https://en.wikipedia.org/wiki/Flying_wing#History
https://en.wikipedia.org/wiki/Avro_Canada_VZ-9_Avrocar#U.S._Involvement:_Project_1794/WS_606A
https://en.wikipedia.org/wiki/Avro_Canada_VZ-9_Avrocar#Testing
