| Acronym | Meaning |
| HOL | High Order Language |
| OMSF | Office Of Manned Space Flight (now OSTS) |
| HMP | Hydrozene Monopropeflant (RCS Propellant) |
| M&C | Monitor And Control Panel |
| RP | Repair Period |
| SMRD | Spin Motor Rotational Detector |
| BRS | Bottom Right Side |
| SOFI | Spray-on Foam Insulation |
| MAIR | Manufacturing And Inspection Record |
| MRC | Measurement Requirements Committee |