148 TDS definitions

Total Dissolved Solids 
Training Development Study 
Tabular Data Stream 
Tactical Data System 
Terminal Defense Segment 
Target Designation System 
Technical Data System 
Tactical Data Systems 
Technical Directives 
Technology Demonstration Satellite 
Telemetry Delivery Subsystem 
thermal desorption spectroscopy 
Time-Division Switching 
Time-Domain Spectroscopy 
Training Devices 
Transit Delay Selection 
Tripod Data Systems 
Target Development Section 
Technology Development Strategy 
Telemetry Data Store 
Terrestrial Data Service 
Terrestrial Digital Service 
Test Data System 
Test Description Sheet 
Test-case Definition System 
Thermal Degradation Sample 
thermal diffuse scattering 
time delay switch 
Time Domain Sampler 
Towed Decoy System