| Acronym | Meaning |
 | NSF | National Science Foundation |
| COMSAT | Communications Satellite (Corporation) |
| CRISTA | Cryogenic Infrared Spectrometer Telescope For Atmosphere |
| MS | Main Sequence |
| AOCS | Attitude And Orbit Control System |
| SEPAC | Space Experiments With Particle Accelerators |
| SN | SuperNova |
| HOTOL | HOrizontal TakeOff And Landing |
| OCST | Office Of Commercial Space Transportation |
| IR | InfraRed |
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