| Acronym | Meaning |
 | SDIO | Strategic Defense Initiative Organization |
| HPFTP | High Pressure Fuel Turbopump |
| AFETR | USAF's ETR |
| STARCAL | Star Calibration |
| HUT | Hopkins Ultraviolet Telescope |
| LC | Launch Complex |
| APT | Automatic Picture Transmission |
| KTB | Cretaceous-Tertiary Boundary |
| RFI | Radio Frequency Interference |
| PSF | Point Spread Function |
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