| Acronym | Meaning |
 | ATAL | Alternate Transoceanic Abort Landing |
| ORFEUS | Orbiting And Retrievable Far And Extreme Ultraviolet Spectrometer |
| CR | Correlation Radiometer |
| VTVL | Vertical Takeoff Vertical Landing |
| MPC | Minor Planets Circular |
| VLBA | Very Long Baseline Array |
| IMO | International Meteor Organization |
| CETA | Crew And Equipment Translation Aid |
| UBM | Unpressurized Berthing Mechanism |
| PLSS | Portable Life Support System |
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