| Acronym | Meaning |
| ISL | Iceland (ISO 3166 Trigram) |
| NRU | Nauru (ISO 3166 Trigram) |
| BL | Bolivia (FIPS 10-4 Country Code) -British Leyland |
| ASCIET | All Services Combat Identification Evaluation Team |
| RDECOM | (U.S.) Research |
| CCD | Charge-Coupled Device |
| PTL | Patrol -Primary Target Line |
| F | Femto |
| FAM | Foreign Affairs Manual |
| NAICS | North American Industry Classification System |