| Acronym | Meaning |
| OA | Operational Instrumentation MDM-Aft |
| ROC | Record Of Comments |
| PAC | Problem Action Center |
| JPIC | Joint Program Integration Committee |
| OB | Outboard |
| MT | Mission Trajectory |
| EBO | Eyeballs Out (-GX) |
| SRO | Supervisor Range Operations |
| SDI | Selective Dissemination Of Information |
| MTCU | Magnetic Tape Control Unit |