| Acronym | Meaning |
| INC | Increase |
| TTSA | Trainer Tactical Software Activity |
| GIE | Groupement D'interets Economiques |
| TAEAS | Tactical Asw Environmental Acoustic Support |
| DMA | Depot Maintenance Activity |
| ILSDS | Integrated Logistic Support Evaluation & Supportability Assur |
| PCIS | Portable Common Interface Set |
| CHURCH-EYE | Over-the-horizon Radar |
| TDD | Temporary Design Departure |
| ISI | Interim Support Item |