UFOs over Alaska, etc.

https://en.wikipedia.org/wiki/2023_Alaska_high-altitude_object

https://www.youtube.com/watch?v=7eginbD2mAA

UAP could be used more towards some kind of strange atmospheric phenomenon.

Ancient+Aliens: Shape Shifting Object Spotted by Alaskan Pilot https://www.travelchannel.com/shows/the-alaska-triangle/episodes/ufos-in-alaska

However, UFO still remains as the popular term to describe some kind of a mysterious or unconventional craft.

https://www.imdb.com/title/tt14153438

https://www.npr.org/2023/02/13/1156498101/ufos-unidentified-objects-what-we-know-4-shootdowns

https://vault.fbi.gov/UFO

https://en.wikipedia.org/wiki/Table_of_reports_during_the_1947_flying_disc_craze

https://vault.fbi.gov/@@dvpdffiles/3/6/363289e6c8c39c2401aca727840d9ab7/normal/dump_1.gif

https://paranormal-intersection.blogspot.com/search?q=UFO