| Acronym | Meaning |
 | CPDS | Crew Procedures Documentation System |
| I | ECM Induced Environment Contamination Monitor |
| ESA | European Space Agency |
| HEAO | High Energy Astronomy Observatory |
| TI | Training Integrator (Integration) |
| SBA | Seat Back Assembly |
| EPDS | Electrical Power Distribution Subsystem |
| MAT | Matrix |
| REI-N4 | REI-N4011ite Cation |
| T/CAP | Thermal Capacitor |
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