Automatic Flight Control System 
Air Force Communications Service 
Air Force Communications System 
Army facilities components system 
active federal commissioned service 
Adaptive Flight Control System 
Alliance for Cellular Signaling 
Automated Fire Control System 
Automatic Fire Control System 
Adaptive Flight Control Systems 
Adoptive Flight Control System 
Advanced Facer Canceller System 
Advanced Flight Control System 
Air Flow Control System 
Air Force Communication Service 
antibody-forming cells 
Army Facilities Component System 
Army Facility Component System 
Artillery Fire Control System 
Asset Forfeiture Coordinators 
Automatic Flight Control Stability 
Automatic Flight Control Systems 
Avionic Flight Control System