| Acronym | Meaning |
 | LS | Landing Support -Lesotho (ISO 3166 Digram) - Liechtenstein (FIPS 10-4 Country Code) -locus Sigilli (Latin |
| MAO | Mol?t? Astronomijos Observatorija (Moletai Astronomical Observatory) - MonoAmine Oxidase |
| CD1 | Cluster Of Differentiation 1 (a Small Gene Family) |
| ARSPACE | U.S. Army Space Command |
| ATB | Active Time Battle -British Antarctic Territory (ISO 3166 Trigram; Merged With AQ In 1979) |
| PFP | Partnership For Peace |
| WFC | Women's Forage Corps (WWII UK) |
| PSE | Palestine (ISO 3166 Trigram) |
| SOCCSKSARGEN | South Cotabato |
| AND | Andorra (ISO 3166 Trigram) |
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