backup system
резервна система, система дублювання
резервна система, система дублювання
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