| Acronym | Meaning |
| IOBPS | Input/Output Box And Peripheral Simulator |
| EPOC | External Payload Operations Center |
| C | OfF Cost Of Facilities |
| CTIS | Crawler Transporter Intercom System |
| SCD | Source Control Drawing |
| POT | Potentiometer |
| H/T | Heat Treat |
| CUP | Commonality Usage ProPosal |
| SHS | Simulation Hardware System |
| SEO | Special Engineering Order |