| Acronym | Meaning |
| DCA | Defense Communications Agency |
| WIMP | Weakly Interacting Massive Particle |
| VTHL | Vertical Takeoff Horizontal Landing |
| SSCE | Solid Surface Combustion Experiment |
| GDS | Great Dark Spot |
| NRO | National Reconnaissance Office |
| LMC | Large Magellanic Cloud |
| TSUP | Tsentr Upravileniya Polyoti |
| DSP | Defense Support Program |
| WINDII | Wind Imaging Interferometer |