| Acronym | Meaning |
 | GBT | Green Bank Telescope |
| NASDA | NAtional Space Development Agency |
| ASS | Antenna Support Structure |
| LRSI | Low-temperature Reusable Surface Insulation |
| HD | Henry Draper Catalog Entry |
| OTV | Orbital Transfer Vehicle |
| USAF | United States Air Force |
| GMT | Greenwich Mean Time |
| GEODSS | Ground-based Electro-optical Deep-space Surveillance System |
| UVPI | Ultraviolet Plume Instrument |
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