| Acronym | Meaning |
 | SBIR | Small Business Innovation Research |
| SAO | Smithsonian Astrophysical Observatory |
| MTPE | Mission To Planet Earth |
| S/C | SpaceCraft |
| SSRT | Single Stage Rocket Technology |
| OTHB | Over The Horizon Backscatter |
| MBB | Messerschmitt-Belkow-Blohm |
| DARPA | Defense Advanced Research Projects Agency |
| CASCA | Canadian Astronomical Society |
| RSN | Radio SuperNova |
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