| Acronym | Meaning |
| CCS | Contamination Control System |
| FR | Flight Rule |
| LETF | Launch Equipment Test Facility |
| ENG | ElectronYstagnogram |
| K-SPN | KSC Shuttle Project Notice |
| MTDSK | Magnetic Tape Disk |
| EADI | Electronic Attitude Director Indicator |
| RTOP | Research And Technology Objectives And Plans |
| HEAO | High Energy Astronomy Observatory |
| TDS | Technology Demonstration Satellite |