Tactical Air Command 
Technical Assistance Center 
Technical Advisory Committee 
Terminal Access Controller 
Texas Administrative Code 
Throttle Actuator Control 
Tactical 
Technical Advisory Council 
total average cost 
tactical air commander 
Travel Assistance Center 
Type approval code 
Tactical Advanced Computer 
tactical air coordinator 
Technology Accreditation Commission 
Telescope Allocation Committee 
Time Allocation Committee 
Time to Amplitude Converters 
Time-to-Amplitude Converter 
Toxic Air Contaminant 
Transistorized Automatic Control 
Transportation Account Code 
TACAN 
Targeted Amortization Class 
technical assistance contract 
Telemetry and Command 
TELENET ACCESS CONTROLLER 
Template Alignment Cube 
Terminal Access Control 
Terminal Area Charts