| Acronym | Meaning |
| LBR | Low Bit Rate |
| SDRD | SuPplier Documentation Review Data |
| NESR | NNESRNatural Environment Support Room |
| R | Rankine |
| MCP | Mission Control Programmer |
| RD | Round |
| NFPA | NNFPANational Fire Protection Association |
| BP | Barber Pole |
| DCIU | Digital Control And Interface Unit |
| FPL | Full Power Level |