| Acronym | Meaning |
| MCC | Main Combustion Chamber |
| TCMD | Transportation Control And Movement Document |
| DCC | Digital Communications And Control Unit |
| LBR | Low Bit Rate |
| RPTA | Rudder Pedal Transducer Assembly |
| SODB | Start Of Data Block |
| CCN | Contract Change Negotiation |
| OBS | Operational Biomedical System |
| RPO | Radiation Protection Officer |
| MESC | Master Events Sequencer Controller |