Accounts spanning decades and continents describe large black triangular craft that glide with three lit corners and near-silent propulsion, with Kyle Knopp recounting an Eglin AFB sighting and reporting to officials including Dr. Sean Ki… #aliens #fl #may2026 #ovni #substack #uap #ufo #ufosky #usa https://uapf.substack.com/p/the-tr-3b-and-black-triangles-and