| Acronym | Meaning |
 | BUNO OR BUNO | Bureau Number (aircraft Serial Number) |
| BFSA | Blue Force Situation Awareness |
| RF | Radio Frequency - Receptive Field (neurophysiology) |
| STRIVE | Synthetic Tactical Real-time Interactive Virtual Environment |
| BH | Bihari Languages (ISO 639-1 Code) |
| AU | African Union (was OAU Before 2000) - American University -Astronomical Unit - Australia (ISO 3166 Digram) - Austria (FIPS 10-4 Country Code) |
| CISB | Complete In Sealed Box (Internet Auction/trading Listings) |
| MRTFB | U.S. Major Range And Test Facility Base |
| KUR | Kurdish Language (ISO 639-2 Code) |
| ASTREA | Aerial Support To Regional Enforcement Agencies (sheriff's Air Support Unit) |
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