Total Access Communication System 
Tactical Air Control System 
Theater Air Control System 
Technical Assignment Control System 
Total Access Communications System 
Taxpayer Assistance Centers 
Test Assembly Conditioning Station 
Transportation Acquisition Circulars 
Terminal Access Controllers 
Theater Air Control Systems 
Total Access Cellular System 
toxic air contaminants 
Type of Address Codes 
Tactical Accelerated Cycles 
Tactical Advanced Computer System 
Tactical Air Control Squadron 
Technology Acquisition Coordination Su… 
Terminal Area Charts 
The Automated Cartographic System 
Theater Army Communications System 
Theater Aviation Commands 
Theatre Air Control System 
Thruster Actuated Control System 
Thruster Attitude Control System 
Time Allocation Committees 
Time and Attendance Collection System 
Time and Attendance Control System 
time-activity curves 
Total Access Communication Service 
Total Access Communication Systems