| Acronym | Meaning |
 | AAVSO | American Association Of Variable Star Observers |
| DDTE | Design |
| OCTW | Optical Communications Through The Shuttle Window |
| CDS | Command And Data Subsystem |
| MBB | Messerschmitt-Belkow-Blohm |
| ISTS | Institute For Space And Terrestrial Science |
| VISSR | Visible/Infrared Spin-Scan Radiometer |
| LM | Lunar Module |
| AFWTR | USAF's WTR |
| ALDP | Advanced Launch Development Program |
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