| Acronym | Meaning |
| PW | Pulse Width |
| MOSS | Mobile Submarine Simulator System |
| C<E | Cost And Lead Time Estimate |
| STD | Software Test Description |
| DWSMT | Defensive Weapons System Maintenance Trainer |
| PDS | Power Demand Signal |
| HIPO | Hierarchical Input Process Output |
| SPF | Single Point Failure |
| MTF | Modulation Transfer Function |
| MSL | Mean Sea Level |