| Acronym | Meaning |
| RJC | Reaction Jet Control |
| EPDB | Electrical Power Distribution Box |
| IPS | Instrumentation Power Subsystem |
| SRR | System Requirements Review |
| TTA | Time To Apogee |
| FP | Function Path |
| M | BACMarshall Booster Assembly Contractor |
| LC | Integrated Circuit |
| HECV | Helium Check Valve |
| TRI | Payload Furnished Mars Tape Recorder (1 Of 2) |