| Acronym | Meaning |
| FRCI | Fibrous Refractory Composite Insulation |
| FACT | Flexible Automatic Circuit Tester |
| SMAB | Solid Motor Assembly Building |
| ESA | ExPlosive Safe Area |
| TW | Traveling Wave |
| RBMT | Retrospective BibliographieS On Magnetic Tape |
| SSPDB | Subsystem Power Distribution Box |
| HCL | Horizontal Centerline |
| FDIR | Fault Detection Identification/Isolation And |
| CPU | Central Processor Unit |