| Acronym | Meaning |
 | LH | Lithuania (FIPS 10-4 Country Code) -Luteinising Hormone |
| MSA | Malay Language (ISO 639-2 Code) |
| NA | Namibia (ISO 3166 Digram) -National Archives - Negative Acknowledge |
| SWE | Sweden (ISO 3166 Trigram) |
| BYOB | Bring Your Own Beer/Beverages/Bottle |
| EP | Electronic Protection |
| NATO | National Association Of Theatre Owners - North Atlantic Treaty Organisation |
| AMRDEC | U.S. Aviation & Missile Research |
| PY | Paraguay (ISO 3166 Digram) - Person-Year -Portsmouth Yardstick |
| CIWS | Close-In Weapon System |
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