| Acronym | Meaning |
| OPSS | Orbital Propellant Storage Subsystem |
| PWMD | Printed Wiring Master Drawing |
| P-TUBE | Pneumatic Tube |
| DE | Dynamics Explorer |
| RGAL | Rate Gyro Assembly-Left SRB |
| LMK | Landmark |
| CSD | Control System DeveloPment |
| IPS | Lglc)O Passive Thermal Control Section |
| SIV | Sieve |
| SEPS | Solar Electric Propulsion System |