| Acronym | Meaning |
 | EPD | Energetic Particles Detector |
| MPEC | Multi-Purpose Experiment Canister |
| FIRAS | Far InfraRed Absolute Spectrophotometer |
| OCTW | Optical Communications Through The Shuttle Window |
| SPOT | Systeme Probatoire Pour L'Observation De La Terre |
| CCD | Charge-Coupled Device |
| CELSS | Controlled Ecological Life Support System |
| SEDS | Students For The Exploration And Development Of Space |
| DSN | Deep Space Network |
| DCA | Defense Communications Agency |
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