| Acronym | Meaning |
 | LS | Landing Support -Lesotho (ISO 3166 Digram) - Liechtenstein (FIPS 10-4 Country Code) -locus Sigilli (Latin |
| UCBSA | United Cricket Board Of South Africa |
| OPCW | Organization For The Prohibition Of Chemical Weapons |
| RF | Radio Frequency - Receptive Field (neurophysiology) |
| CPX | Command Post EXercise |
| IFOR | UN Implementation Force -Institute For Operations Research - International Fellowship Of Reconciliation |
| AVI | Audio Video Icon |
| OIOC | Oriental & India Office Collections (in The British Library) |
| PE | Ice Pellets (old Style METAR Code) - Peru (ISO 3166 And FIPS 10-4 Country Code Digram) -Physical Education - Premature Ejaculation -Prince Edward Island (postal Code) Price To Earning Ratio (used For Equity Shares) |
| RSTA | Reconnaissance |
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