cipher system

cipher

cipher cable

cipher group

cipher work

break а cipher

cipher clerk

cipher code

cipher device

cipher key

cipher message

cipher office

cipher text

cipher traffic

in cipher

transpose into cipher

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 denial system

active infrared (IR) guidance system

advanced intercontinental missile system

Advanced Precision Kill Weapon System (APKWS)

AEGIS weapons system

aerodynamic control system

air command and control system (ACCS)

air cooling system

air defense artillery system