| Abbreviation | Definition |
|---|---|
| SDB | Shallow Draft Barge |
| SDB | Shallow Draft Board |
| SDB | Spacecraft Data Base |
| SDC | Shuttle Data Center |
| SDC | Software Development Computer |
| SDC | Spares Disposition Code |
| SDCL | Supplier Documentation Checklist |
| SDCP | Summary Development Cost Plan |
| SDCS | SAIL Data Communications System |
| SDCV | Shuttle Derived Cargo Vehicle |
| SDD | Shuttle Design Directive |
| SDD | Software Description Document |
| SDD | System Design Document |
| SDE | Space Division Evaluator |
| SDF | Safing and Deservicing Facility |
| SDF | Single Degree of Freedom |
| SDF | System Development Facility |
| SDFS | Spacelab Data Flow System |
| SDG | Supplier Documentation Group |
| SDH | Software Development Handbook |