ecological system
екологічна система
екологічна система
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)
Unmanned Aerial System / Uncrewed Aircraf System (UAS)
system of system common operating environment
active infrared (IR) guidance system
advanced intercontinental missile system