| Acronym | Meaning |
| DLC | Direct Lift Control |
| RTCC | Real-Time Computer Complex |
| B-1 | DIV B-1 Division (Rockwell) |
| ESS | Equipment Support Section |
| EPDU | Electrical Power Distribution Unit |
| SIP | Strain Isolation Pad |
| PR | Pressure |
| ERS | Earth RecoverySubsystem |
| OFDS | Orbiter Flight Dynamics Simulator |
| SEAID | SuPport Equipment Abbreviated Items Description |