In this category, one might include the laser printers, barcode readers, image scanning, illuminators, designators, optical data recording, combustion ignition, laser surgery, industrial sorting, industrial machining, and directed energy weaponry.
en.wikipedia.org It can detect laser rangefinders and laser target designators and responds automatically by triggering acoustic alarms, smoke generators and other countermeasure systems.
en.wikipedia.org Rank was indicated by zero to two gilt-metal pips; unit designators were also of gilt metal.
en.wikipedia.org A removable bipod, rails for designators, sling, etc. attach to that forestock.
en.wikipedia.org Although the IATA standard provides for three-character airline designators, IATA has not used the optional third character in any assigned code.
en.wikipedia.org