| Acronym | Meaning |
| CSS | Contractor Support Services |
| CSSR | Cost/schedule Status Report |
| CSTIRS | C School Training Input Requirements System |
| CSTOT | Combat System Team Operator Trainer |
| CSU | Communications Switching Unit |
| CSU | Computer Software Unit |
| CTDA | Cockpit Thrust Drive Actuator |
| CTIC | Contractor Technical Information Code |
| CTPL | Central Technical Publications Library |
| CTR | Centered |
| CTRL | Control |
| CTRLRS | Controllers |
| CTS | Contract Technical Services |
| CUDIX | Common User Data Information Exchange |
| CV | Aircraft Carrier |
| CV | Multi-purpose Aircraft Carrier |
| CV-ASWM | Cv Anti-submarine Warfare Module |
| CVG | Compressor Variable Geometry |
| CVG POS | Compressor Variable Geometry Position |
| CVGL | Compressor Variable Geometry Left Engine |
| CVGPF | Compressor Variable Geometry Position Failure |
| CVGR | Compressor Variable Geometry Right Engine |
| CVIB | Compressor Vibration |
| CVLF | Consolidated Very Low Frequency |
| CVN | Multi-purpose Aircraft Carrier (nuclear Propulsion) |
| CVS | Asw Aircraft Carrier |
| CW | Continuous Wave |
| CWA | Caution/warning Advisory System |
| CWBS | Contract Work Breakdown Structure |
| CWDE | Chemical Warfare Defense Equipment |
| CWI | Continuous Wave Illuminator |
| D | Depot |
| D/A | Digital To Analog |
| D/Q | Equipment Flat Plate Drag Area |
| DAC | Document Availability Code |
| DAIR | Direct Altitude And Identity Readout |
| DAMA | Demand Assigned Multiple Access (uhf Satellite) |
| DAP | Display Adjust Panel |
| DAR | Defense Acquisition Regulations |
| DARPA | Defense Advanced Research Projects Agency |
| DAS | Data Acquisition System |
| DASC | Direct Air Support Center |
| DASS | Digital Acoustic Sensor Simulator |
| DAU | Data Acquisition Unit |
| DAU | Display Adapter Unit |
| DAWIA | Defense Aquistion Workforce Improvement Act |
| DB | Decibel |
| DBD | Data Base Design |
| DBDD | Data Base Design Document Udi-e-21250b/mod |
| DBDR | Data Base Design Review |