| Acronym | Meaning |
| RAD1 | Radio 1 |
| PENQUIN | Combat System |
| SEM | Standard Electronic Module |
| LVDT | Linear Variable Differential Transducer |
| LEN | Length |
| CSPEI | Computer Software Product End Item |
| LPD | Amphibious Transport Dock |
| EIA | Electronic Industries Association |
| SRCHLT | Searchlight |
| IRAC | Interim Rapid Action Change |