| Acronym | Meaning |
| MMDB | Mass Memory Data Base |
| SDPC | Shuttle Data Processing Complex |
| RCC | Reusable Carbon-Carbon |
| NNI-I | NASA Standard Initiator-Type I (was SMSI) |
| MPUTER | SimumPuter Simulator |
| PAM | Pulse Amplifier Modulation |
| CSF | Central Supply Facility |
| R | IMPMinimum Range To Avoid Plum Impingement |
| COMP | Computation Of Rendezvous Targeting |
| MECA | Main Engine Controller Assembly |