| Acronym | Meaning |
| EQL | Equal |
| STC | Standard Test Configuration |
| SDI | Selective Dissemination Of Information |
| IPS | Interface Requirement List |
| GS | Glide Slope |
| K-DPM | KSC DOD Payloads Plan/Requirement |
| FMOF | First Manned Orbital Flight |
| LRECL | Logical Records Of Fixed Length |
| ICD | Interface Control Document |
| MEB | Main Electronics Box |