| Acronym | Meaning |
| VTS | Vertical Test System |
| GCI | Ground Controlled Interception |
| MMACS | Maintenance Management And Control System |
| PFS | Primary Flight System |
| DAE | Data Acquisition EquiPment |
| ENA | Enable |
| SRDH | Subsystems Requirement Definition Handbook |
| ISO | International Standardization Organizations |
| NP | Neptunium |
| OCP | Output Control Pulse |