| Acronym | Meaning |
| ECU | Electronic Coupling Unit |
| RFD | Requirements Formulation Document |
| MPTA | Main Propulsion Test Article |
| LASV | Low Altitude Supersonic Vehicle |
| CAP | Crew Activity Plan |
| RACS | Remote Automatic Calibration System |
| FCA | Functional ComPatibility Analysis |
| MPD | Main Dc Power Distributor Assembly |
| PAT | Production Acceptance Test |
| PRESS | Pressurant |