| Acronym | Meaning |
| RHW | Router Header Word |
| LC | Intercom (Orbiter To Ground Via Hardline) |
| RW | Response Word |
| CCC | Contaminant Control Cartridge |
| PSDP | Payload Station Distribution Panel |
| NDE | Nondestructive Evaluation |
| FPS | Feet Per Second |
| ETD | Estimated Turnover Date |
| VTR | Verification TextReports |
| M | LAMonochrome Lens Assembly |