| Acronym | Meaning |
| PRC | PlanningResearchCorporation |
| H | 1STHistory |
| NCR | No Calibration Required |
| CUDS | Cumulative Data Statistics |
| FO | Objective |
| GEOSEPS | Geosynchronous Solar Electric Propulsion Stage |
| IFT | In-Flight Test |
| D&C | DisplaY And Control (C&D Preferred) |
| TDR | Technical Documentation Report |
| SM | IASerial Multiplexer Interface Adapter |