| Acronym | Meaning |
 | RPM | Retro Propulsion Module |
| LLNL | Lawrence-Livermore National Laboratory |
| USML | United States Microgravity Laboratory |
| RTLS | Return To Launch Site |
| IFEA | Integrated Furnace Experiment Assembly |
| DACS | DATA Acquisition And Control Subsystem |
| AEPI | Atmospheric Emissions Photometric Imaging |
| PLB | Payload Bay |
| BEM | Bug-Eyed Monster |
| JEM | Japanese Experiment Module |
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