@XKCD
XKCD #2953 Explained: A cultural phenomenon on Earth is based on the concept that unidentified flying objects (UFOs) - now, at least in the USA, officially termed "unidentified anomalous/aerial phenomena" (UAPs) - represent visitors from extraterrestrial civilizations (aliens). Those who believe that UFOs/UAPs are extraterrestrial may respond to those who reject this idea with the line, "These objects have capabilities ...