| Acronym | Meaning |
 | YL | Yottalitre |
| ANGLICO | Air/Naval Gunfire Liaison Company |
| LS | Landing Support -Lesotho (ISO 3166 Digram) - Liechtenstein (FIPS 10-4 Country Code) -locus Sigilli (Latin |
| UL | Underwriters Laboratories |
| ACLU | American Civil Liberties Union |
| UP | Ukraine (FIPS 10-4 Country Code) -Uttar Pradesh |
| DRL | Daytime Running Lights - Dorman Roberts Ltd. |
| FRO | Faroe Islands (ISO 3166 Trigram) |
| JDAM | Joint Direct Attack Munition (djay-dam) |
| PNH | Paroxysmal Nocturnal Hemoglobinuria - Police Nationale D'Ha?ti (French |
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