| Acronym | Meaning |
 | CIS | Commonwealth Of Independent States |
| RAS | Royal Astronomical Society |
| OTHB | Over The Horizon Backscatter |
| CMB | Cosmic Microwave Background |
| WSGT | White Sands Ground Terminal |
| CSTC | Consolidated Satellite Test Center |
| AIAA | American Institute Of Aeronautics And Astronautics |
| SETI | Search For ExtraTerrestrial Intelligence |
| MPC | Minor Planets Circular |
| VECO | Vernier Engine Cutoff |
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