| Acronym | Meaning |
| MU | Mobile Unit |
| TTA | Thermomechanical Test Area |
| PDRS | Payload Deployment And Retrieval System(s) |
| HAC | Heading Alignment Cylinder |
| HERSCP | Hazardous Exposure Reduction And Safety Criteria Plan |
| T/R | Transportation Request |
| EDC(M) | Electrochemical DePolarized CO (Module) |
| PCTR | Pad Connection Terminal Room |
| PLD | Program Listing Document |
| GFE | Government Furnished Equipment |