| Acronym | Meaning |
 | PA | Panama (ISO 3166 Digram) - Paraguay (FIPS 10-4 Country Code) -Partial Agonist -Pennsylvania (postal Symbol) - Petampere -PolyAmide (Nylon) - Prince Albert Piercing - Public Address (vocal Amplification System) - Public Affairs |
| RAMARK | RAdar MARKer |
| LS | Landing Support -Lesotho (ISO 3166 Digram) - Liechtenstein (FIPS 10-4 Country Code) -locus Sigilli (Latin |
| A&S | Armament & Standardisation |
| PMSC | NATO Political-Military Steering Committee On Partnership For Peace |
| SMH | Shaking My Head |
| ACC | U.S. Air Combat Command - Air Component Commander - Altocumulus Castellanus - Atlantic Coast Conference - Automatic Climate Control - Area Control Center |
| MECC | Minnesota Educational Computing Consortium (later Corporation |
| LY | Libya (FIPS 10-4 Country Code; ISO 3166 Digram) - Lithuania (amateur Radio ITU Prefix) |
| KLENOT | KLE? Observatory Near Earth And Other Unusual Objects Observations Team And Telescope |
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