| Acronym | Meaning |
 | FAA | U.S. Federal Aviation Administration - Financial Aid Administrator - Fleet Air Arm - Functional Area Analysis |
| ITEMS | Interactive Tactical Environment Management System |
| WSJ | Wall Street Journal |
| WST | Water Soluble Tetrazolium (assay) -Samoan Tala (ISO 4217 Currency Code) |
| OPSEC | Operations Security - Open Platform For Security |
| SE | Seychelles (FIPS 10-4 Country Code) - South-East - Sweden (ISO 3166 Digram) -Synthetic Environment - System Engineering |
| LRPE | Long-Range Planning Element |
| FX | Firefox -Metropolitan France (ISO 3166 Digram; Obsolete 1997) |
| MKD | Macedonian Language (ISO 639-2 Code) |
| KW | Cornish Language (ISO 639-1 Code) |
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