| Acronym | Meaning |
 | RTG | Radioisotope Thermoelectric Generator |
| JCMT | James Clerk Maxwell Telescope |
| GLOMR | Global Low-Orbiting Message Relay |
| ENSO | El Nino/Southern Oscillation |
| SL | (Comet) Shoemaker-Levy / SpaceLab |
| IFEA | Integrated Furnace Experiment Assembly |
| IR | InfraRed |
| STC | Stennis Test Center |
| MPEC | Multi-Purpose Experiment Canister |
| MRO | Memory Read-Out |
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