| Acronym | Meaning |
| MOS | Military Occupational Specialty -Mit Out Sound / Motor Only Sync -Mobile Object System - Model Output Statistics - Multiplayer Online Services |
| RTL | See Entry |
| JA | Japan (FIPS 10-4 Country Code) |
| FMRI | Functional Magnetic Resonance Imaging |
| PASR | Personnel Accounting And Strength Reporting |
| FSS | Fire Support Station |
| USEC | United States Enrichment Corporation |
| APFSDS | Armour-Piercing |
| TLS | Timor-Leste (ISO 3166 Trigram) -Times Literary Supplement |
| LNB | Low-Noise Block (Satellite Dish) |