| Acronym | Meaning |
| FRRID | Flight Readiness Review Item DisPosition |
| PA | Power Amplifier |
| GEOSEPS | Geosynchronous Solar Electric Propulsion Stage |
| OIS | Orbiter Instrumentation Systems |
| SCIU | Selector Control Interface Unit |
| RAAB | Remote Amplifier And Adoption Box |
| RAF | Requirements Analysis Form |
| S/AC | Stabilization/Attitude Control |
| B-1 | DIV B-1 Division (Rockwell) |
| IOPL | Integrated Open Problem List |