| Acronym | Meaning |
| SIM | Software Engineering Environment (see) Information Model |
| DSCHG | Discharge |
| S/L | Switch/light |
| MEESTO | Modification Engineering Evaluation & Sub-task Order (4720/15) |
| INC | Increase |
| EAB | Emergency Air Breathing (comm Sys For Submarines) |
| MFHBCMA | Mean Flight Hours Between Unscheduled Maintenance Actions |
| CNTT | Chief Of Naval Technical Training (memphis) |
| DMA | Direct Memory Access |
| IRIG | Inertial Rate Integrating Gyrominter |