| Abbreviation | Definition |
|---|---|
| DRSS | Discrepancy Report Squawk Sheet |
| DRT | Design Reference Timeline |
| DRTT | Discrepancy Report Tracking Tool |
| DRUC | Disposition Record Unsatisfactory Condition |
| DS | Data Set |
| DS | Data Storage |
| DS | Deep Space |
| DS&R | Data Storage and Retrieval |
| DSA | Defense Supply Agency |
| DSA | Digital Simulation Archive |
| DSAC | Deep Space Atomic Clock |
| DSAD | Data Systems and Analysis Directorate |
| DSB | Document Status Bulletin |
| DSB | Double Side Band |
| DSC | Data Separator Card |
| DSC | Dedicated Signal Conditioner |
| DSC | Dynamic Stability Control |
| DSCC | Deep Space Communications Complex |
| DSCIM | Display System Computer Input Multiplexer |
| DSI | Deep Sky Imager |