| Acronym | Meaning |
| FCP | Firm Cost Proposal |
| ESVS | Escape System Ventilation System |
| PSIS | Pounds Per Square Inch Sealed |
| TDD | Task Description Document |
| RTCC | Real-Time Computer Command (UPlink) |
| PIB | Pyrotechnic Installation Building |
| LLIL | Long Leadtime Items List |
| PFTA | PaY[oad Flight Test Article |
| SCF | Sunnyvale Control Facility |
| PROPLT | Propellant |