| Acronym | Meaning |
 | ATC | Absolute Time Command |
| DDA | Digital Differential Analyzer |
| GFY | Government Fiscal Year |
| MMS | Mission Modular Spacecraft |
| MRTC | Multiple Real-Time Commands |
| SOCH | Spacelab Orbiter Common Hardware |
| BDA | Backup Drive Amplifier |
| IAL | International Algebraic Language |
| GOSS | GrGOSSGround Operations Support System |
| VER | Verify |
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