22 sats \ 0 replies \ @OneOneSeven OP 25 Jun \ parent \ on: Territory Name Change: UFOs is now --> Aliens_And_UFOs meta
Sorry, here you go!
ETs - Extraterrestrials
NHI - Non-Human Intelligence
EBEs - Extraterrestrial Biological Entities
UFOs - Unidentified Flying Objects
UAPs - Unidentified Aerial (or Anomalous) Phenomena
USOs - Unidentified Submerged Objects
ARVs - Alien Reproduction Vehicles
OVNI
There are more that have been used throughout the years by military but I couldn't remember off the top of my head.