Fast mover is fighter-pilot slang for a high-speed aircraft; in UAP contexts, the term carries over to high-velocity unidentified objects. The closely related variant Fastwalker dates back to NORAD radar-track terminology for objects moving at unusual sustained speeds.
micah-hanks’s May 21 2026 pursue Release 02 preview lists an October 29, 2020 case of three “fast moving UAPs” observed by U.S. personnel among the up to 46 aaro-held videos pending release.