| Acronym | Meaning |
| PDCS | Power Distribution And Control System (Subsystem) |
| PORD | Performance And 0iperations Requirements Document |
| FDS | Flight Design And Scheduling |
| RAAB | Remote Application And Advisory Box |
| PDL | Pocket Dosimeter Low |
| TVSSIS | TV Subsystem Interconnecting Station |
| MPC | Midbody Pyro Controller |
| V/C | Velocity Counter |
| F | Front |
| ESB | Essential Switching Box |