| Acronym | Meaning |
| K-APN | KSC Automated Payloads Notice |
| VCG | Vertical Location Of The Center Of Gravity |
| FPS | Flight Per Second |
| VDI | Vertical Display Indicator |
| PFCF | Payload Flight Control Facility |
| FW | Flag Word |
| TTU | Timing Terminal Unit |
| GRID | Graphic Retrieval And Information Display |
| TRCP | Tape Recorder Control Panel (LIO) |
| MCC-DOD | Mission Control Center-DOD |