| Acronym | Meaning |
| SPF | Single Point Failure |
| DIFAR | Directional Frequency And Ranging (asw) |
| XFMR | Transformer |
| LR | Long Range |
| HMU | Helmet Mounted Unit |
| LSSS | Lightweight Ship Satcom Set (an/wsc-6) |
| ASL | Above Sea Level |
| LSI | Large Scale Integrated Circuits |
| MSM | Minesweeper, River (converted Lcm-6) (mine Countermeasures) |
| AFDL | Small Auxiliary Floating Dry Dock (non Self-propelled) |