| Abbreviation | Definition |
|---|---|
| SDR | Spacelab Disposition Record |
| SDR | Subcontract Data Requirement |
| SDRB | Software Design Review Board |
| SDRB | Supplier Documentation Review Board |
| SDRB | System Design Review Board |
| SDRD | Supplier Data Requirements Description |
| SDRD | Supplier Documentation Review Data |
| SDRL | Subcontract Data Requirements List |
| SDRL | Supplier Data Requirements List |
| SDS | Sensor Display System |
| SDS | Shuttle Dynamic Simulator |
| SDS | Software Design Specification |
| SDS | Steering Damping System |
| SDS | System Design Specification |
| SDSS | Space Division Shuttle Simulator |
| SDT | Scaling and Display Task |
| SDT | Shuttle Data Tape |
| SDT | Structural Dynamic Test |
| SDTA | Structural Dynamic Test Article |
| SDU | Status Display Unit |