| Acronym | Meaning |
| MM | Major Mode |
| MSS | Manufacturers Standardization Society |
| TECH | Technical |
| DACS | Data Acquisition And Control System |
| EKG | Electrocardiogram (Record) |
| RP | Repair Period |
| UVD | Under Voltage Device |
| NSP | Network Signal Processor |
| SCNP | Preliminary Specification Change Notice |
| PQGS | Propellant Quantity Gaging System |