| Acronym | Meaning |
 | AFRSI | Advanced FRSI |
| SDI | Strategic Defense Initiative |
| NRO | National Reconnaissance Office |
| DIRBE | Diffuse Infrared Background Experiment |
| AOA | Abort Once Around (shuttle Abort Plan) |
| AGE | Auxiliary Ground Equipment |
| AAS | American Astronomical Society |
| SB | Spiral |
| RG | Red Giant |
| SEST | Swedish ESO Submillimeter Telescope |
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