| Acronym | Meaning |
| RMS | Rate-Monotonic Scheduling - Richard M. Stallman - Root-Mean-Square - Royal Mail Ship (e.g. RMS Titanic) |
| MMCM | Machinist's Mate |
| USTRANSCOM | United States Transportation Command |
| EICS | East India Company's Service |
| SCFH | Standard Cubic Foot Per Hour (unit Of Measurement Of Fluid Flow) |
| PDU | Police Dog Unit - Power Distribution Unit - Protocol Data Unit |
| BCCI | Board Of Control For Cricket In India - Bank Of Credit And Commerce International |
| SGS | South Georgia And The South Sandwich Islands (ISO 3166 Trigram) -Svalbard Ground Station (Landsat) - Soci?t? G?n?rale De Surveillance |
| C4I OR C?I | Command |
| G7 | Assistant Chief-of-Staff |