| Acronym | Meaning |
| R | ETSReconfiguration Electrical Test Stand |
| VTF | Vertical Test Flight |
| GSI | Glide Slope Indicator |
| CP | Chemically Pure |
| ODIN | Orbital Design Integration (System) |
| FM | Frequency Modulation (Modulated) |
| JETS | Joint Electronics Type (Designation) System |
| FEP | Fluorinated Ethylene Propylene |
| OLDB | On-Line Data Bank |
| CCB | Change Control Board |