| Acronym | Meaning |
| PDE | Projected Operational Environment |
| POFA | Programmed Operational & Functional Appraisal |
| DBDS | Data Base Design Specification |
| FAT | File Access Table |
| CAD | Computer Aided Design |
| MRF | Maintenance Replacement Factor |
| SS | RDR Surface Search Radar |
| AYC | Accessory Change (tdc 61) |
| WFOV | Wide Field Of View |
| PDREP | Product Deficiency Reporting And Evaluation Program |