| Acronym | Meaning |
| EVLSS | Extravehicular Life Support System |
| PCIL | Pilot-Controlled Instrument Landing |
| I | DAC Integrated Digital-Analog Converter |
| BP | Bandpass |
| VTF | Vertical Test Flight |
| RDOUT | Readout |
| VTP | Verification TestProgram |
| THC | Translation Hand Controller |
| TR | TechnicalReport |
| DECS | Civil Engineering Office At Vandenberg |