| Acronym | Meaning |
| JM | Jamaica (FIPS 10-4 Country Code; ISO 3166 Digram) |
| CSRF | Cross-Site Request Forgery |
| CAV | Cavalry |
| CUCV | Commercial Utility Cargo Vehicle |
| EUCOM | (U.S.) European Command |
| JT | Johnston Atoll (ISO 3166 Digram; Obsolete 1986) -Junior Technician (RAF) |
| ZU | Zulu Language (ISO 639-1 Code) |
| GIB | Gibraltar (ISO 3166 Trigram) |
| TTY | TeleTYpewriter (Printer) |
| NAS | National Academy Of Sciences - National Air Space - National Audubon Society - Naval Air Station - New Attack Submarine |