| Acronym | Meaning |
 | MBC | Maximum Breathing Capacity |
| EMU-TV | Extravehicular MobilitY Unit - Television |
| GRID | Graphic Retrieval And Information Display |
| PGORS | Payload Ground Operations Requirements Study |
| OTH | Over-the-Horizon (.Radar) |
| SIMU | Simulated Inertial Measurement Unit |
| SID | System Interface Document |
| CT | Crawler Transporter |
| HHC | Hammer Head Crane |
| MSD | MARS Supplemental Data |
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