| Acronym | Meaning |
| MSF | Magnetic Flux Structures |
| AIS | Accumulator Injection System |
| AMS | Aerial Monitoring/measurement System |
| DIB | Directory Information Base |
| ARC | Applied Research Corporation |
| OMR | Optical Mark Reader |
| DIPS DMS IMAGE PROCESSING SYSTEM | N/A |
| APET | Accident Progression Event Tree |
| OS | Oceanography Section |
| NLDS | National Lightning Detection System |