[trylfthsk]

This seems to be blowing up all over, but as much as I Want To Believe™ I can't help but feel skeptical.

> unique atomic arrangements and radiological signatures

Seems like something a non-expert would glean from a misunderstanding.

> identify [UFO] crashes/landings and retrieve the material for exploitation/reverse engineering.

Seems like good standard operating procedure for any state that detects something crashing in their territory, be it mundane or not.

Not to say I can rule out extraterrestrial intelligence, which my Stellaris playthrough says bodes poorly.