| Acronym | Meaning |
 | LA | Launch Abort |
| HFCV | Helium Flow Control Valve |
| DETN | Detection |
| OPGUID | OPtimum Guidance (Technique) |
| CMTS | Computerized Maintenance Test System |
| EHOT | External Hydrogen/Oxygen Tank |
| MCA | Maximum Crossing Altitude |
| PGS | Power Generation Subsystem |
| FCOH | Flight Controllers Operational Handbook |
| SDD | Software Design Document |
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