| Acronym | Meaning |
 | HSL | Hardware Simulation Laboratory |
| MSG | Mechanical Subsystem Group |
| CC | Chief Counsel (KSC Directorate) |
| SPG | Single Point Ground |
| HAC | Heading Alignment Circle |
| KOI | Kano |
| SC | Scale |
| SMB | Space Meteorology Branch |
| SBTC | Speed Brake/thrust Controller |
| UL | Upper Left (S-Band Antenna) |
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