| Acronym | Meaning |
| IFF | Identification Friend Or Foe |
| HIFR | Hover Inflight Refueling |
| STE | Special Test Equipment |
| AFTRBDY | Afterbody |
| SQEP | Software Quality Evaluation Plan |
| NAVSEASYSCOM | Naval Sea Systems Command |
| MMRI | Multi Mode Radar Input |
| CPI | Contractor Preliminary Inspection |
| CNIU | Communication/navigation Interface Unit |
| FOHMD | Fibre-optic Helmet-mounted Display/device |