loudspeaker system
трансляційний зв'язок
loudspeaker and leaflet company
airborne loudspeaker broadcasting equipment
fire extinguishing system sprinkler system and fire alarm system
merchant ship communication system (mercomm system)
multiple launch rocket system (MLRS); multiple rocket launcher system
Air Force weapons system / AF weapon system
attitude-and-heading reference system / attitude and heading reference system (AHRS)
selective calling system, SELCAL system
Unmanned Aerial System / Uncrewed Aircraf System (UAS)
system of system common operating environment
active infrared (IR) guidance system
advanced intercontinental missile system