Target Acquisition Designation Sight 
Teletypewriter Automatic Dispatch Syst… 
Training Analysis Data Sheet 
Target Acquisition and Designation Sys… 
Tactical Automatic Digital Switching 
Time, Attendance and Distribution Syst… 
Tactical Air Defense System 
Target Acquisition and Designation Sig… 
Target Acquisition Designation System 
Test And Display System 
Time and Attendance Distribution Syste… 
Traffic Administration Data System 
Treatment for Adolescents With Depress… 
Tactical Aerial Delivery System 
Tactical Air Defense Systems 
Tactical Automatic Data System 
tactical automatic digital switch 
Target Acquisition and Designations Sy… 
Target Acquisition Designation Signet 
Target Acquisition Designator Sight 
technician automated diagnostic system 
Telecommunications Asset Database Syst… 
Temperature Analysis and Detection Sys… 
Test and Debug System 
Test assembly decay storage 
Text Adventure Development System 
Thermal Analysis Data Station 
Time and Distribution System 
Tracking Acquisition Designation Syste… 
transactivation domains