| Acronym | Meaning |
| CFA | Harvard-Smithsonian Center For Astrophysics |
| PMC | Permanently Manned Capability |
| LIS | Lightning Imaging Sensor |
| SL-J | SpaceLab Japan |
| CDS | Command And Data Subsystem |
| NSSDC | National Space Science Data Center |
| LN2 | Liquid Nitrogen |
| PASS | Primary Avionics Software System |
| MRO | Memory Read-Out |
| WIMP | Weakly Interacting Massive Particle |