| Acronym | Meaning |
| FLOLS | Fresnel Lens Optical Landing System |
| DAIR | Direct Altitude And Identity Readout |
| PER | Proposal Evaluation Report |
| MGOT | Measured Gas Overtemperature |
| CHURCH-EYE | Over-the-horizon Radar |
| HBS | Hardware Breakdown Structure |
| SYST | System |
| SSB | Single Side Band |
| FAA | Federal Aviation Agency |
| TDR | Time Domaine Reflectometer |